3901640

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{947}}^1$

素因数の和:1061

約数の個数: 32

約数和(自身を含む): 8873280

約数和(自身を除く): 4971640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 947, 1030, 1894, 2060, 3788, 4120, 4735, 7576, 9470, 18940, 37880, 97541, 195082, 390164, 487705, 780328, 975410, 1950820, 3901640]

約数ペア:

[(1, 3901640), (2, 1950820), (4, 975410), (5, 780328), (8, 487705), (10, 390164), (20, 195082), (40, 97541), (103, 37880), (206, 18940), (412, 9470), (515, 7576), (824, 4735), (947, 4120), (1030, 3788), (1894, 2060)]