25717600

素因数分解:

$2^5\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:129

約数の個数: 144

約数和(自身を含む): 69745536

約数和(自身を除く): 44027936

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 31, 32, 34, 40, 50, 61, 62, 68, 80, 85, 100, 122, 124, 136, 155, 160, 170, 200, 244, 248, 272, 305, 310, 340, 400, 425, 488, 496, 527, 544, 610, 620, 680, 775, 800, 850, 976, 992, 1037, 1054, 1220, 1240, 1360, 1525, 1550, 1700, 1891, 1952, 2074, 2108, 2440, 2480, 2635, 2720, 3050, 3100, 3400, 3782, 4148, 4216, 4880, 4960, 5185, 5270, 6100, 6200, 6800, 7564, 8296, 8432, 9455, 9760, 10370, 10540, 12200, 12400, 13175, 13600, 15128, 16592, 16864, 18910, 20740, 21080, 24400, 24800, 25925, 26350, 30256, 32147, 33184, 37820, 41480, 42160, 47275, 48800, 51850, 52700, 60512, 64294, 75640, 82960, 84320, 94550, 103700, 105400, 128588, 151280, 160735, 165920, 189100, 207400, 210800, 257176, 302560, 321470, 378200, 414800, 421600, 514352, 642940, 756400, 803675, 829600, 1028704, 1285880, 1512800, 1607350, 2571760, 3214700, 5143520, 6429400, 12858800, 25717600]

約数ペア:

[(1, 25717600), (2, 12858800), (4, 6429400), (5, 5143520), (8, 3214700), (10, 2571760), (16, 1607350), (17, 1512800), (20, 1285880), (25, 1028704), (31, 829600), (32, 803675), (34, 756400), (40, 642940), (50, 514352), (61, 421600), (62, 414800), (68, 378200), (80, 321470), (85, 302560), (100, 257176), (122, 210800), (124, 207400), (136, 189100), (155, 165920), (160, 160735), (170, 151280), (200, 128588), (244, 105400), (248, 103700), (272, 94550), (305, 84320), (310, 82960), (340, 75640), (400, 64294), (425, 60512), (488, 52700), (496, 51850), (527, 48800), (544, 47275), (610, 42160), (620, 41480), (680, 37820), (775, 33184), (800, 32147), (850, 30256), (976, 26350), (992, 25925), (1037, 24800), (1054, 24400), (1220, 21080), (1240, 20740), (1360, 18910), (1525, 16864), (1550, 16592), (1700, 15128), (1891, 13600), (1952, 13175), (2074, 12400), (2108, 12200), (2440, 10540), (2480, 10370), (2635, 9760), (2720, 9455), (3050, 8432), (3100, 8296), (3400, 7564), (3782, 6800), (4148, 6200), (4216, 6100), (4880, 5270), (4960, 5185)]