38560240

素因数分解:

$2^4\times 5^1\times {\mathrm{181}}^1\times {\mathrm{2663}}^1$

素因数の和:2857

約数の個数: 40

約数和(自身を含む): 90181728

約数和(自身を除く): 51621488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 181, 362, 724, 905, 1448, 1810, 2663, 2896, 3620, 5326, 7240, 10652, 13315, 14480, 21304, 26630, 42608, 53260, 106520, 213040, 482003, 964006, 1928012, 2410015, 3856024, 4820030, 7712048, 9640060, 19280120, 38560240]

約数ペア:

[(1, 38560240), (2, 19280120), (4, 9640060), (5, 7712048), (8, 4820030), (10, 3856024), (16, 2410015), (20, 1928012), (40, 964006), (80, 482003), (181, 213040), (362, 106520), (724, 53260), (905, 42608), (1448, 26630), (1810, 21304), (2663, 14480), (2896, 13315), (3620, 10652), (5326, 7240)]