1520259640

素因数分解:

$2^3\times 5^1\times {\mathrm{1321}}^1\times {\mathrm{28771}}^1$

素因数の和:30103

約数の個数: 32

約数和(自身を含む): 3423292560

約数和(自身を除く): 1903032920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1321, 2642, 5284, 6605, 10568, 13210, 26420, 28771, 52840, 57542, 115084, 143855, 230168, 287710, 575420, 1150840, 38006491, 76012982, 152025964, 190032455, 304051928, 380064910, 760129820, 1520259640]

約数ペア:

[(1, 1520259640), (2, 760129820), (4, 380064910), (5, 304051928), (8, 190032455), (10, 152025964), (20, 76012982), (40, 38006491), (1321, 1150840), (2642, 575420), (5284, 287710), (6605, 230168), (10568, 143855), (13210, 115084), (26420, 57542), (28771, 52840)]