128611360

素因数分解:

$2^5\times 5^1\times {\mathrm{181}}^1\times {\mathrm{4441}}^1$

素因数の和:4637

約数の個数: 48

約数和(自身を含む): 305591832

約数和(自身を除く): 176980472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 181, 362, 724, 905, 1448, 1810, 2896, 3620, 4441, 5792, 7240, 8882, 14480, 17764, 22205, 28960, 35528, 44410, 71056, 88820, 142112, 177640, 355280, 710560, 803821, 1607642, 3215284, 4019105, 6430568, 8038210, 12861136, 16076420, 25722272, 32152840, 64305680, 128611360]

約数ペア:

[(1, 128611360), (2, 64305680), (4, 32152840), (5, 25722272), (8, 16076420), (10, 12861136), (16, 8038210), (20, 6430568), (32, 4019105), (40, 3215284), (80, 1607642), (160, 803821), (181, 710560), (362, 355280), (724, 177640), (905, 142112), (1448, 88820), (1810, 71056), (2896, 44410), (3620, 35528), (4441, 28960), (5792, 22205), (7240, 17764), (8882, 14480)]