71502040

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{521}}^1$

素因数の和:652

約数の個数: 64

約数和(自身を含む): 166872960

約数和(自身を除く): 95370920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 73, 94, 146, 188, 235, 292, 365, 376, 470, 521, 584, 730, 940, 1042, 1460, 1880, 2084, 2605, 2920, 3431, 4168, 5210, 6862, 10420, 13724, 17155, 20840, 24487, 27448, 34310, 38033, 48974, 68620, 76066, 97948, 122435, 137240, 152132, 190165, 195896, 244870, 304264, 380330, 489740, 760660, 979480, 1521320, 1787551, 3575102, 7150204, 8937755, 14300408, 17875510, 35751020, 71502040]

約数ペア:

[(1, 71502040), (2, 35751020), (4, 17875510), (5, 14300408), (8, 8937755), (10, 7150204), (20, 3575102), (40, 1787551), (47, 1521320), (73, 979480), (94, 760660), (146, 489740), (188, 380330), (235, 304264), (292, 244870), (365, 195896), (376, 190165), (470, 152132), (521, 137240), (584, 122435), (730, 97948), (940, 76066), (1042, 68620), (1460, 48974), (1880, 38033), (2084, 34310), (2605, 27448), (2920, 24487), (3431, 20840), (4168, 17155), (5210, 13724), (6862, 10420)]