13348940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1291}}^1$

素因数の和:1358

約数の個数: 48

約数和(自身を含む): 31256064

約数和(自身を除く): 17907124

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 47, 55, 94, 110, 188, 220, 235, 470, 517, 940, 1034, 1291, 2068, 2582, 2585, 5164, 5170, 6455, 10340, 12910, 14201, 25820, 28402, 56804, 60677, 71005, 121354, 142010, 242708, 284020, 303385, 606770, 667447, 1213540, 1334894, 2669788, 3337235, 6674470, 13348940]

約数ペア:

[(1, 13348940), (2, 6674470), (4, 3337235), (5, 2669788), (10, 1334894), (11, 1213540), (20, 667447), (22, 606770), (44, 303385), (47, 284020), (55, 242708), (94, 142010), (110, 121354), (188, 71005), (220, 60677), (235, 56804), (470, 28402), (517, 25820), (940, 14201), (1034, 12910), (1291, 10340), (2068, 6455), (2582, 5170), (2585, 5164)]