2600680

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{823}}^1$

素因数の和:913

約数の個数: 32

約数和(自身を含む): 5932800

約数和(自身を除く): 3332120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 823, 1580, 1646, 3160, 3292, 4115, 6584, 8230, 16460, 32920, 65017, 130034, 260068, 325085, 520136, 650170, 1300340, 2600680]

約数ペア:

[(1, 2600680), (2, 1300340), (4, 650170), (5, 520136), (8, 325085), (10, 260068), (20, 130034), (40, 65017), (79, 32920), (158, 16460), (316, 8230), (395, 6584), (632, 4115), (790, 3292), (823, 3160), (1580, 1646)]