2680456760

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{411113}}^1$

素因数の和:411287

約数の個数: 32

約数和(自身を含む): 6068042640

約数和(自身を除く): 3387585880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 411113, 822226, 1644452, 2055565, 3288904, 4111130, 8222260, 16444520, 67011419, 134022838, 268045676, 335057095, 536091352, 670114190, 1340228380, 2680456760]

約数ペア:

[(1, 2680456760), (2, 1340228380), (4, 670114190), (5, 536091352), (8, 335057095), (10, 268045676), (20, 134022838), (40, 67011419), (163, 16444520), (326, 8222260), (652, 4111130), (815, 3288904), (1304, 2055565), (1630, 1644452), (3260, 822226), (6520, 411113)]