67216760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{129263}}^1$

素因数の和:129287

約数の個数: 32

約数和(自身を含む): 162872640

約数和(自身を除く): 95655880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 129263, 258526, 517052, 646315, 1034104, 1292630, 1680419, 2585260, 3360838, 5170520, 6721676, 8402095, 13443352, 16804190, 33608380, 67216760]

約数ペア:

[(1, 67216760), (2, 33608380), (4, 16804190), (5, 13443352), (8, 8402095), (10, 6721676), (13, 5170520), (20, 3360838), (26, 2585260), (40, 1680419), (52, 1292630), (65, 1034104), (104, 646315), (130, 517052), (260, 258526), (520, 129263)]