61128560

素因数分解:

$2^4\times 5^1\times {\mathrm{647}}^1\times {\mathrm{1181}}^1$

素因数の和:1841

約数の個数: 40

約数和(自身を含む): 142464096

約数和(自身を除く): 81335536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 647, 1181, 1294, 2362, 2588, 3235, 4724, 5176, 5905, 6470, 9448, 10352, 11810, 12940, 18896, 23620, 25880, 47240, 51760, 94480, 764107, 1528214, 3056428, 3820535, 6112856, 7641070, 12225712, 15282140, 30564280, 61128560]

約数ペア:

[(1, 61128560), (2, 30564280), (4, 15282140), (5, 12225712), (8, 7641070), (10, 6112856), (16, 3820535), (20, 3056428), (40, 1528214), (80, 764107), (647, 94480), (1181, 51760), (1294, 47240), (2362, 25880), (2588, 23620), (3235, 18896), (4724, 12940), (5176, 11810), (5905, 10352), (6470, 9448)]