64382800

素因数分解:

$2^4\times 5^2\times {\mathrm{71}}^1\times {\mathrm{2267}}^1$

素因数の和:2356

約数の個数: 60

約数和(自身を含む): 156927456

約数和(自身を除く): 92544656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 71, 80, 100, 142, 200, 284, 355, 400, 568, 710, 1136, 1420, 1775, 2267, 2840, 3550, 4534, 5680, 7100, 9068, 11335, 14200, 18136, 22670, 28400, 36272, 45340, 56675, 90680, 113350, 160957, 181360, 226700, 321914, 453400, 643828, 804785, 906800, 1287656, 1609570, 2575312, 3219140, 4023925, 6438280, 8047850, 12876560, 16095700, 32191400, 64382800]

約数ペア:

[(1, 64382800), (2, 32191400), (4, 16095700), (5, 12876560), (8, 8047850), (10, 6438280), (16, 4023925), (20, 3219140), (25, 2575312), (40, 1609570), (50, 1287656), (71, 906800), (80, 804785), (100, 643828), (142, 453400), (200, 321914), (284, 226700), (355, 181360), (400, 160957), (568, 113350), (710, 90680), (1136, 56675), (1420, 45340), (1775, 36272), (2267, 28400), (2840, 22670), (3550, 18136), (4534, 14200), (5680, 11335), (7100, 9068)]