5080400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{977}}^1$

素因数の和:1008

約数の個数: 60

約数和(自身を含む): 13158012

約数和(自身を除く): 8077612

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 977, 1040, 1300, 1954, 2600, 3908, 4885, 5200, 7816, 9770, 12701, 15632, 19540, 24425, 25402, 39080, 48850, 50804, 63505, 78160, 97700, 101608, 127010, 195400, 203216, 254020, 317525, 390800, 508040, 635050, 1016080, 1270100, 2540200, 5080400]

約数ペア:

[(1, 5080400), (2, 2540200), (4, 1270100), (5, 1016080), (8, 635050), (10, 508040), (13, 390800), (16, 317525), (20, 254020), (25, 203216), (26, 195400), (40, 127010), (50, 101608), (52, 97700), (65, 78160), (80, 63505), (100, 50804), (104, 48850), (130, 39080), (200, 25402), (208, 24425), (260, 19540), (325, 15632), (400, 12701), (520, 9770), (650, 7816), (977, 5200), (1040, 4885), (1300, 3908), (1954, 2600)]