30265880

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{10657}}^1$

素因数の和:10739

約数の個数: 32

約数和(自身を含む): 69063840

約数和(自身を除く): 38797960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 10657, 21314, 42628, 53285, 85256, 106570, 213140, 426280, 756647, 1513294, 3026588, 3783235, 6053176, 7566470, 15132940, 30265880]

約数ペア:

[(1, 30265880), (2, 15132940), (4, 7566470), (5, 6053176), (8, 3783235), (10, 3026588), (20, 1513294), (40, 756647), (71, 426280), (142, 213140), (284, 106570), (355, 85256), (568, 53285), (710, 42628), (1420, 21314), (2840, 10657)]