80228800

素因数分解:

$2^6\times 5^2\times {\mathrm{41}}^1\times {\mathrm{1223}}^1$

素因数の和:1286

約数の個数: 84

約数和(自身を含む): 202393296

約数和(自身を除く): 122164496

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 64, 80, 82, 100, 160, 164, 200, 205, 320, 328, 400, 410, 656, 800, 820, 1025, 1223, 1312, 1600, 1640, 2050, 2446, 2624, 3280, 4100, 4892, 6115, 6560, 8200, 9784, 12230, 13120, 16400, 19568, 24460, 30575, 32800, 39136, 48920, 50143, 61150, 65600, 78272, 97840, 100286, 122300, 195680, 200572, 244600, 250715, 391360, 401144, 489200, 501430, 802288, 978400, 1002860, 1253575, 1604576, 1956800, 2005720, 2507150, 3209152, 4011440, 5014300, 8022880, 10028600, 16045760, 20057200, 40114400, 80228800]

約数ペア:

[(1, 80228800), (2, 40114400), (4, 20057200), (5, 16045760), (8, 10028600), (10, 8022880), (16, 5014300), (20, 4011440), (25, 3209152), (32, 2507150), (40, 2005720), (41, 1956800), (50, 1604576), (64, 1253575), (80, 1002860), (82, 978400), (100, 802288), (160, 501430), (164, 489200), (200, 401144), (205, 391360), (320, 250715), (328, 244600), (400, 200572), (410, 195680), (656, 122300), (800, 100286), (820, 97840), (1025, 78272), (1223, 65600), (1312, 61150), (1600, 50143), (1640, 48920), (2050, 39136), (2446, 32800), (2624, 30575), (3280, 24460), (4100, 19568), (4892, 16400), (6115, 13120), (6560, 12230), (8200, 9784)]