156960620

素因数分解:

$2^2\times 5^1\times {\mathrm{659}}^1\times {\mathrm{11909}}^1$

素因数の和:12577

約数の個数: 24

約数和(自身を含む): 330145200

約数和(自身を除く): 173184580

約数列:

[1, 2, 4, 5, 10, 20, 659, 1318, 2636, 3295, 6590, 11909, 13180, 23818, 47636, 59545, 119090, 238180, 7848031, 15696062, 31392124, 39240155, 78480310, 156960620]

約数ペア:

[(1, 156960620), (2, 78480310), (4, 39240155), (5, 31392124), (10, 15696062), (20, 7848031), (659, 238180), (1318, 119090), (2636, 59545), (3295, 47636), (6590, 23818), (11909, 13180)]