31892120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61331}}^1$

素因数の和:61355

約数の個数: 32

約数和(自身を含む): 77278320

約数和(自身を除く): 45386200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 61331, 122662, 245324, 306655, 490648, 613310, 797303, 1226620, 1594606, 2453240, 3189212, 3986515, 6378424, 7973030, 15946060, 31892120]

約数ペア:

[(1, 31892120), (2, 15946060), (4, 7973030), (5, 6378424), (8, 3986515), (10, 3189212), (13, 2453240), (20, 1594606), (26, 1226620), (40, 797303), (52, 613310), (65, 490648), (104, 306655), (130, 245324), (260, 122662), (520, 61331)]