259359080

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{39779}}^1$

素因数の和:39953

約数の個数: 32

約数和(自身を含む): 587152800

約数和(自身を除く): 327793720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 39779, 79558, 159116, 198895, 318232, 397790, 795580, 1591160, 6483977, 12967954, 25935908, 32419885, 51871816, 64839770, 129679540, 259359080]

約数ペア:

[(1, 259359080), (2, 129679540), (4, 64839770), (5, 51871816), (8, 32419885), (10, 25935908), (20, 12967954), (40, 6483977), (163, 1591160), (326, 795580), (652, 397790), (815, 318232), (1304, 198895), (1630, 159116), (3260, 79558), (6520, 39779)]