30564280

素因数分解:

$2^3\times 5^1\times {\mathrm{647}}^1\times {\mathrm{1181}}^1$

素因数の和:1839

約数の個数: 32

約数和(自身を含む): 68934240

約数和(自身を除く): 38369960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 647, 1181, 1294, 2362, 2588, 3235, 4724, 5176, 5905, 6470, 9448, 11810, 12940, 23620, 25880, 47240, 764107, 1528214, 3056428, 3820535, 6112856, 7641070, 15282140, 30564280]

約数ペア:

[(1, 30564280), (2, 15282140), (4, 7641070), (5, 6112856), (8, 3820535), (10, 3056428), (20, 1528214), (40, 764107), (647, 47240), (1181, 25880), (1294, 23620), (2362, 12940), (2588, 11810), (3235, 9448), (4724, 6470), (5176, 5905)]