136562920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{262621}}^1$

素因数の和:262645

約数の個数: 32

約数和(自身を含む): 330903720

約数和(自身を除く): 194340800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 262621, 525242, 1050484, 1313105, 2100968, 2626210, 3414073, 5252420, 6828146, 10504840, 13656292, 17070365, 27312584, 34140730, 68281460, 136562920]

約数ペア:

[(1, 136562920), (2, 68281460), (4, 34140730), (5, 27312584), (8, 17070365), (10, 13656292), (13, 10504840), (20, 6828146), (26, 5252420), (40, 3414073), (52, 2626210), (65, 2100968), (104, 1313105), (130, 1050484), (260, 525242), (520, 262621)]