156948109480

素因数分解:

$2^3\times 5^1\times {\mathrm{1721}}^1\times {\mathrm{2279897}}^1$

素因数の和:2281629

約数の個数: 32

約数和(自身を含む): 353338592040

約数和(自身を除く): 196390482560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1721, 3442, 6884, 8605, 13768, 17210, 34420, 68840, 2279897, 4559794, 9119588, 11399485, 18239176, 22798970, 45597940, 91195880, 3923702737, 7847405474, 15694810948, 19618513685, 31389621896, 39237027370, 78474054740, 156948109480]

約数ペア:

[(1, 156948109480), (2, 78474054740), (4, 39237027370), (5, 31389621896), (8, 19618513685), (10, 15694810948), (20, 7847405474), (40, 3923702737), (1721, 91195880), (3442, 45597940), (6884, 22798970), (8605, 18239176), (13768, 11399485), (17210, 9119588), (34420, 4559794), (68840, 2279897)]