7809140

素因数分解:

$2^2\times 5^1\times {\mathrm{557}}^1\times {\mathrm{701}}^1$

素因数の和:1267

約数の個数: 24

約数和(自身を含む): 16452072

約数和(自身を除く): 8642932

約数列:

[1, 2, 4, 5, 10, 20, 557, 701, 1114, 1402, 2228, 2785, 2804, 3505, 5570, 7010, 11140, 14020, 390457, 780914, 1561828, 1952285, 3904570, 7809140]

約数ペア:

[(1, 7809140), (2, 3904570), (4, 1952285), (5, 1561828), (10, 780914), (20, 390457), (557, 14020), (701, 11140), (1114, 7010), (1402, 5570), (2228, 3505), (2785, 2804)]