290765680

素因数分解:

$2^4\times 5^1\times {\mathrm{3634571}}^1$

素因数の和:3634584

約数の個数: 20

約数和(自身を含む): 676030392

約数和(自身を除く): 385264712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3634571, 7269142, 14538284, 18172855, 29076568, 36345710, 58153136, 72691420, 145382840, 290765680]

約数ペア:

[(1, 290765680), (2, 145382840), (4, 72691420), (5, 58153136), (8, 36345710), (10, 29076568), (16, 18172855), (20, 14538284), (40, 7269142), (80, 3634571)]