70974940

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{82529}}^1$

素因数の和:82581

約数の個数: 24

約数和(自身を含む): 152515440

約数和(自身を除く): 81540500

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 82529, 165058, 330116, 412645, 825290, 1650580, 3548747, 7097494, 14194988, 17743735, 35487470, 70974940]

約数ペア:

[(1, 70974940), (2, 35487470), (4, 17743735), (5, 14194988), (10, 7097494), (20, 3548747), (43, 1650580), (86, 825290), (172, 412645), (215, 330116), (430, 165058), (860, 82529)]