8304920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15971}}^1$

素因数の和:15995

約数の個数: 32

約数和(自身を含む): 20124720

約数和(自身を除く): 11819800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 15971, 31942, 63884, 79855, 127768, 159710, 207623, 319420, 415246, 638840, 830492, 1038115, 1660984, 2076230, 4152460, 8304920]

約数ペア:

[(1, 8304920), (2, 4152460), (4, 2076230), (5, 1660984), (8, 1038115), (10, 830492), (13, 638840), (20, 415246), (26, 319420), (40, 207623), (52, 159710), (65, 127768), (104, 79855), (130, 63884), (260, 31942), (520, 15971)]