203412040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{391177}}^1$

素因数の和:391201

約数の個数: 32

約数和(自身を含む): 492884280

約数和(自身を除く): 289472240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 391177, 782354, 1564708, 1955885, 3129416, 3911770, 5085301, 7823540, 10170602, 15647080, 20341204, 25426505, 40682408, 50853010, 101706020, 203412040]

約数ペア:

[(1, 203412040), (2, 101706020), (4, 50853010), (5, 40682408), (8, 25426505), (10, 20341204), (13, 15647080), (20, 10170602), (26, 7823540), (40, 5085301), (52, 3911770), (65, 3129416), (104, 1955885), (130, 1564708), (260, 782354), (520, 391177)]