55803640

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{12799}}^1$

素因数の和:12919

約数の個数: 32

約数和(自身を含む): 126720000

約数和(自身を除く): 70916360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 12799, 25598, 51196, 63995, 102392, 127990, 255980, 511960, 1395091, 2790182, 5580364, 6975455, 11160728, 13950910, 27901820, 55803640]

約数ペア:

[(1, 55803640), (2, 27901820), (4, 13950910), (5, 11160728), (8, 6975455), (10, 5580364), (20, 2790182), (40, 1395091), (109, 511960), (218, 255980), (436, 127990), (545, 102392), (872, 63995), (1090, 51196), (2180, 25598), (4360, 12799)]