15925416800

素因数分解:

$2^5\times 5^2\times {\mathrm{41}}^1\times {\mathrm{397}}^1\times {\mathrm{1223}}^1$

素因数の和:1681

約数の個数: 144

約数和(自身を含む): 39959129952

約数和(自身を除く): 24033713152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 80, 82, 100, 160, 164, 200, 205, 328, 397, 400, 410, 656, 794, 800, 820, 1025, 1223, 1312, 1588, 1640, 1985, 2050, 2446, 3176, 3280, 3970, 4100, 4892, 6115, 6352, 6560, 7940, 8200, 9784, 9925, 12230, 12704, 15880, 16277, 16400, 19568, 19850, 24460, 30575, 31760, 32554, 32800, 39136, 39700, 48920, 50143, 61150, 63520, 65108, 79400, 81385, 97840, 100286, 122300, 130216, 158800, 162770, 195680, 200572, 244600, 250715, 260432, 317600, 325540, 401144, 406925, 485531, 489200, 501430, 520864, 651080, 802288, 813850, 971062, 978400, 1002860, 1253575, 1302160, 1604576, 1627700, 1942124, 2005720, 2427655, 2507150, 2604320, 3255400, 3884248, 4011440, 4855310, 5014300, 6510800, 7768496, 8022880, 9710620, 10028600, 12138275, 13021600, 15536992, 19421240, 19906771, 20057200, 24276550, 38842480, 39813542, 40114400, 48553100, 77684960, 79627084, 97106200, 99533855, 159254168, 194212400, 199067710, 318508336, 388424800, 398135420, 497669275, 637016672, 796270840, 995338550, 1592541680, 1990677100, 3185083360, 3981354200, 7962708400, 15925416800]

約数ペア:

[(1, 15925416800), (2, 7962708400), (4, 3981354200), (5, 3185083360), (8, 1990677100), (10, 1592541680), (16, 995338550), (20, 796270840), (25, 637016672), (32, 497669275), (40, 398135420), (41, 388424800), (50, 318508336), (80, 199067710), (82, 194212400), (100, 159254168), (160, 99533855), (164, 97106200), (200, 79627084), (205, 77684960), (328, 48553100), (397, 40114400), (400, 39813542), (410, 38842480), (656, 24276550), (794, 20057200), (800, 19906771), (820, 19421240), (1025, 15536992), (1223, 13021600), (1312, 12138275), (1588, 10028600), (1640, 9710620), (1985, 8022880), (2050, 7768496), (2446, 6510800), (3176, 5014300), (3280, 4855310), (3970, 4011440), (4100, 3884248), (4892, 3255400), (6115, 2604320), (6352, 2507150), (6560, 2427655), (7940, 2005720), (8200, 1942124), (9784, 1627700), (9925, 1604576), (12230, 1302160), (12704, 1253575), (15880, 1002860), (16277, 978400), (16400, 971062), (19568, 813850), (19850, 802288), (24460, 651080), (30575, 520864), (31760, 501430), (32554, 489200), (32800, 485531), (39136, 406925), (39700, 401144), (48920, 325540), (50143, 317600), (61150, 260432), (63520, 250715), (65108, 244600), (79400, 200572), (81385, 195680), (97840, 162770), (100286, 158800), (122300, 130216)]