40457820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51869}}^1$

素因数の和:51894

約数の個数: 48

約数和(自身を含む): 121998240

約数和(自身を除く): 81540420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 51869, 103738, 155607, 207476, 259345, 311214, 518690, 622428, 674297, 778035, 1037380, 1348594, 1556070, 2022891, 2697188, 3112140, 3371485, 4045782, 6742970, 8091564, 10114455, 13485940, 20228910, 40457820]

約数ペア:

[(1, 40457820), (2, 20228910), (3, 13485940), (4, 10114455), (5, 8091564), (6, 6742970), (10, 4045782), (12, 3371485), (13, 3112140), (15, 2697188), (20, 2022891), (26, 1556070), (30, 1348594), (39, 1037380), (52, 778035), (60, 674297), (65, 622428), (78, 518690), (130, 311214), (156, 259345), (195, 207476), (260, 155607), (390, 103738), (780, 51869)]