28199240

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{3691}}^1$

素因数の和:3893

約数の個数: 32

約数和(自身を含む): 63797760

約数和(自身を除く): 35598520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3691, 3820, 7382, 7640, 14764, 18455, 29528, 36910, 73820, 147640, 704981, 1409962, 2819924, 3524905, 5639848, 7049810, 14099620, 28199240]

約数ペア:

[(1, 28199240), (2, 14099620), (4, 7049810), (5, 5639848), (8, 3524905), (10, 2819924), (20, 1409962), (40, 704981), (191, 147640), (382, 73820), (764, 36910), (955, 29528), (1528, 18455), (1910, 14764), (3691, 7640), (3820, 7382)]