2100155875

素因数分解:

$5^3\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{6827}}^1$

素因数の和:6972

約数の個数: 32

約数和(自身を含む): 2760915456

約数和(自身を除く): 660759581

約数列:

[1, 5, 23, 25, 107, 115, 125, 535, 575, 2461, 2675, 2875, 6827, 12305, 13375, 34135, 61525, 157021, 170675, 307625, 730489, 785105, 853375, 3652445, 3925525, 16801247, 18262225, 19627625, 84006235, 91311125, 420031175, 2100155875]

約数ペア:

[(1, 2100155875), (5, 420031175), (23, 91311125), (25, 84006235), (107, 19627625), (115, 18262225), (125, 16801247), (535, 3925525), (575, 3652445), (2461, 853375), (2675, 785105), (2875, 730489), (6827, 307625), (12305, 170675), (13375, 157021), (34135, 61525)]