2540200

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{977}}^1$

素因数の和:1006

約数の個数: 48

約数和(自身を含む): 6366780

約数和(自身を除く): 3826580

約数列:

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

約数ペア:

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