80715845

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{281}}^1\times {\mathrm{283}}^1$

素因数の和:605

約数の個数: 32

約数和(自身を含む): 115326720

約数和(自身を除く): 34610875

約数列:

[1, 5, 7, 29, 35, 145, 203, 281, 283, 1015, 1405, 1415, 1967, 1981, 8149, 8207, 9835, 9905, 40745, 41035, 57043, 57449, 79523, 285215, 287245, 397615, 556661, 2306167, 2783305, 11530835, 16143169, 80715845]

約数ペア:

[(1, 80715845), (5, 16143169), (7, 11530835), (29, 2783305), (35, 2306167), (145, 556661), (203, 397615), (281, 287245), (283, 285215), (1015, 79523), (1405, 57449), (1415, 57043), (1967, 41035), (1981, 40745), (8149, 9905), (8207, 9835)]