40020140

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{18701}}^1$

素因数の和:18817

約数の個数: 24

約数和(自身を含む): 84832272

約数和(自身を除く): 44812132

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 18701, 37402, 74804, 93505, 187010, 374020, 2001007, 4002014, 8004028, 10005035, 20010070, 40020140]

約数ペア:

[(1, 40020140), (2, 20010070), (4, 10005035), (5, 8004028), (10, 4002014), (20, 2001007), (107, 374020), (214, 187010), (428, 93505), (535, 74804), (1070, 37402), (2140, 18701)]