85866625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{997}}^1$

素因数の和:1078

約数の個数: 32

約数和(自身を含む): 117700128

約数和(自身を除く): 31833503

約数列:

[1, 5, 13, 25, 53, 65, 125, 265, 325, 689, 997, 1325, 1625, 3445, 4985, 6625, 12961, 17225, 24925, 52841, 64805, 86125, 124625, 264205, 324025, 686933, 1321025, 1620125, 3434665, 6605125, 17173325, 85866625]

約数ペア:

[(1, 85866625), (5, 17173325), (13, 6605125), (25, 3434665), (53, 1620125), (65, 1321025), (125, 686933), (265, 324025), (325, 264205), (689, 124625), (997, 86125), (1325, 64805), (1625, 52841), (3445, 24925), (4985, 17225), (6625, 12961)]