140980960

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{21491}}^1$

素因数の和:21547

約数の個数: 48

約数和(自身を含む): 341206992

約数和(自身を除く): 200226032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 6560, 21491, 42982, 85964, 107455, 171928, 214910, 343856, 429820, 687712, 859640, 881131, 1719280, 1762262, 3438560, 3524524, 4405655, 7049048, 8811310, 14098096, 17622620, 28196192, 35245240, 70490480, 140980960]

約数ペア:

[(1, 140980960), (2, 70490480), (4, 35245240), (5, 28196192), (8, 17622620), (10, 14098096), (16, 8811310), (20, 7049048), (32, 4405655), (40, 3524524), (41, 3438560), (80, 1762262), (82, 1719280), (160, 881131), (164, 859640), (205, 687712), (328, 429820), (410, 343856), (656, 214910), (820, 171928), (1312, 107455), (1640, 85964), (3280, 42982), (6560, 21491)]