159380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{613}}^1$

素因数の和:635

約数の個数: 24

約数和(自身を含む): 361032

約数和(自身を除く): 201652

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 613, 1226, 2452, 3065, 6130, 7969, 12260, 15938, 31876, 39845, 79690, 159380]

約数ペア:

[(1, 159380), (2, 79690), (4, 39845), (5, 31876), (10, 15938), (13, 12260), (20, 7969), (26, 6130), (52, 3065), (65, 2452), (130, 1226), (260, 613)]