128687630

素因数分解:

$2^1\times 5^1\times {\mathrm{809}}^1\times {\mathrm{15907}}^1$

素因数の和:16723

約数の個数: 16

約数和(自身を含む): 231938640

約数和(自身を除く): 103251010

約数列:

[1, 2, 5, 10, 809, 1618, 4045, 8090, 15907, 31814, 79535, 159070, 12868763, 25737526, 64343815, 128687630]

約数ペア:

[(1, 128687630), (2, 64343815), (5, 25737526), (10, 12868763), (809, 159070), (1618, 79535), (4045, 31814), (8090, 15907)]