3864680

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1223}}^1$

素因数の和:1313

約数の個数: 32

約数和(自身を含む): 8812800

約数和(自身を除く): 4948120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1223, 1580, 2446, 3160, 4892, 6115, 9784, 12230, 24460, 48920, 96617, 193234, 386468, 483085, 772936, 966170, 1932340, 3864680]

約数ペア:

[(1, 3864680), (2, 1932340), (4, 966170), (5, 772936), (8, 483085), (10, 386468), (20, 193234), (40, 96617), (79, 48920), (158, 24460), (316, 12230), (395, 9784), (632, 6115), (790, 4892), (1223, 3160), (1580, 2446)]