71650480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{81421}}^1$

素因数の和:81445

約数の個数: 40

約数和(自身を含む): 181733904

約数和(自身を除く): 110083424

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 81421, 162842, 325684, 407105, 651368, 814210, 895631, 1302736, 1628420, 1791262, 3256840, 3582524, 4478155, 6513680, 7165048, 8956310, 14330096, 17912620, 35825240, 71650480]

約数ペア:

[(1, 71650480), (2, 35825240), (4, 17912620), (5, 14330096), (8, 8956310), (10, 7165048), (11, 6513680), (16, 4478155), (20, 3582524), (22, 3256840), (40, 1791262), (44, 1628420), (55, 1302736), (80, 895631), (88, 814210), (110, 651368), (176, 407105), (220, 325684), (440, 162842), (880, 81421)]