77946280

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{18919}}^1$

素因数の和:19033

約数の個数: 32

約数和(自身を含む): 177091200

約数和(自身を除く): 99144920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 18919, 37838, 75676, 94595, 151352, 189190, 378380, 756760, 1948657, 3897314, 7794628, 9743285, 15589256, 19486570, 38973140, 77946280]

約数ペア:

[(1, 77946280), (2, 38973140), (4, 19486570), (5, 15589256), (8, 9743285), (10, 7794628), (20, 3897314), (40, 1948657), (103, 756760), (206, 378380), (412, 189190), (515, 151352), (824, 94595), (1030, 75676), (2060, 37838), (4120, 18919)]