13213480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1151}}^1$

素因数の和:1210

約数の個数: 64

約数和(自身を含む): 34836480

約数和(自身を除く): 21623000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 140, 164, 205, 280, 287, 328, 410, 574, 820, 1148, 1151, 1435, 1640, 2296, 2302, 2870, 4604, 5740, 5755, 8057, 9208, 11480, 11510, 16114, 23020, 32228, 40285, 46040, 47191, 64456, 80570, 94382, 161140, 188764, 235955, 322280, 330337, 377528, 471910, 660674, 943820, 1321348, 1651685, 1887640, 2642696, 3303370, 6606740, 13213480]

約数ペア:

[(1, 13213480), (2, 6606740), (4, 3303370), (5, 2642696), (7, 1887640), (8, 1651685), (10, 1321348), (14, 943820), (20, 660674), (28, 471910), (35, 377528), (40, 330337), (41, 322280), (56, 235955), (70, 188764), (82, 161140), (140, 94382), (164, 80570), (205, 64456), (280, 47191), (287, 46040), (328, 40285), (410, 32228), (574, 23020), (820, 16114), (1148, 11510), (1151, 11480), (1435, 9208), (1640, 8057), (2296, 5755), (2302, 5740), (2870, 4604)]