81682250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{613}}^1$

素因数の和:684

約数の個数: 64

約数和(自身を含む): 168962976

約数和(自身を除く): 87280726

約数列:

[1, 2, 5, 10, 13, 25, 26, 41, 50, 65, 82, 125, 130, 205, 250, 325, 410, 533, 613, 650, 1025, 1066, 1226, 1625, 2050, 2665, 3065, 3250, 5125, 5330, 6130, 7969, 10250, 13325, 15325, 15938, 25133, 26650, 30650, 39845, 50266, 66625, 76625, 79690, 125665, 133250, 153250, 199225, 251330, 326729, 398450, 628325, 653458, 996125, 1256650, 1633645, 1992250, 3141625, 3267290, 6283250, 8168225, 16336450, 40841125, 81682250]

約数ペア:

[(1, 81682250), (2, 40841125), (5, 16336450), (10, 8168225), (13, 6283250), (25, 3267290), (26, 3141625), (41, 1992250), (50, 1633645), (65, 1256650), (82, 996125), (125, 653458), (130, 628325), (205, 398450), (250, 326729), (325, 251330), (410, 199225), (533, 153250), (613, 133250), (650, 125665), (1025, 79690), (1066, 76625), (1226, 66625), (1625, 50266), (2050, 39845), (2665, 30650), (3065, 26650), (3250, 25133), (5125, 15938), (5330, 15325), (6130, 13325), (7969, 10250)]