387163640

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{88799}}^1$

素因数の和:88919

約数の個数: 32

約数和(自身を含む): 879120000

約数和(自身を除く): 491956360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 88799, 177598, 355196, 443995, 710392, 887990, 1775980, 3551960, 9679091, 19358182, 38716364, 48395455, 77432728, 96790910, 193581820, 387163640]

約数ペア:

[(1, 387163640), (2, 193581820), (4, 96790910), (5, 77432728), (8, 48395455), (10, 38716364), (20, 19358182), (40, 9679091), (109, 3551960), (218, 1775980), (436, 887990), (545, 710392), (872, 443995), (1090, 355196), (2180, 177598), (4360, 88799)]