16631920

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1637}}^1$

素因数の和:1777

約数の個数: 40

約数和(自身を含む): 38997504

約数和(自身を除く): 22365584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 1016, 1270, 1637, 2032, 2540, 3274, 5080, 6548, 8185, 10160, 13096, 16370, 26192, 32740, 65480, 130960, 207899, 415798, 831596, 1039495, 1663192, 2078990, 3326384, 4157980, 8315960, 16631920]

約数ペア:

[(1, 16631920), (2, 8315960), (4, 4157980), (5, 3326384), (8, 2078990), (10, 1663192), (16, 1039495), (20, 831596), (40, 415798), (80, 207899), (127, 130960), (254, 65480), (508, 32740), (635, 26192), (1016, 16370), (1270, 13096), (1637, 10160), (2032, 8185), (2540, 6548), (3274, 5080)]