2122307620

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{20641}}^1$

素因数の和:20800

約数の個数: 48

約数和(自身を含む): 4587973488

約数和(自身を除く): 2465665868

約数列:

[1, 2, 4, 5, 10, 20, 53, 97, 106, 194, 212, 265, 388, 485, 530, 970, 1060, 1940, 5141, 10282, 20564, 20641, 25705, 41282, 51410, 82564, 102820, 103205, 206410, 412820, 1093973, 2002177, 2187946, 4004354, 4375892, 5469865, 8008708, 10010885, 10939730, 20021770, 21879460, 40043540, 106115381, 212230762, 424461524, 530576905, 1061153810, 2122307620]

約数ペア:

[(1, 2122307620), (2, 1061153810), (4, 530576905), (5, 424461524), (10, 212230762), (20, 106115381), (53, 40043540), (97, 21879460), (106, 20021770), (194, 10939730), (212, 10010885), (265, 8008708), (388, 5469865), (485, 4375892), (530, 4004354), (970, 2187946), (1060, 2002177), (1940, 1093973), (5141, 412820), (10282, 206410), (20564, 103205), (20641, 102820), (25705, 82564), (41282, 51410)]