23977640

素因数分解:

$2^3\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1811}}^1$

素因数の和:2153

約数の個数: 32

約数和(自身を含む): 54142560

約数和(自身を除く): 30164920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 331, 662, 1324, 1655, 1811, 2648, 3310, 3622, 6620, 7244, 9055, 13240, 14488, 18110, 36220, 72440, 599441, 1198882, 2397764, 2997205, 4795528, 5994410, 11988820, 23977640]

約数ペア:

[(1, 23977640), (2, 11988820), (4, 5994410), (5, 4795528), (8, 2997205), (10, 2397764), (20, 1198882), (40, 599441), (331, 72440), (662, 36220), (1324, 18110), (1655, 14488), (1811, 13240), (2648, 9055), (3310, 7244), (3622, 6620)]