2087187470

素因数分解:

$2^1\times 5^1\times {\mathrm{1289}}^1\times {\mathrm{161923}}^1$

素因数の和:163219

約数の個数: 16

約数和(自身を含む): 3759875280

約数和(自身を除く): 1672687810

約数列:

[1, 2, 5, 10, 1289, 2578, 6445, 12890, 161923, 323846, 809615, 1619230, 208718747, 417437494, 1043593735, 2087187470]

約数ペア:

[(1, 2087187470), (2, 1043593735), (5, 417437494), (10, 208718747), (1289, 1619230), (2578, 809615), (6445, 323846), (12890, 161923)]