65239120

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{5003}}^1$

素因数の和:5179

約数の個数: 40

約数和(自身を含む): 152642016

約数和(自身を除く): 87402896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 652, 815, 1304, 1630, 2608, 3260, 5003, 6520, 10006, 13040, 20012, 25015, 40024, 50030, 80048, 100060, 200120, 400240, 815489, 1630978, 3261956, 4077445, 6523912, 8154890, 13047824, 16309780, 32619560, 65239120]

約数ペア:

[(1, 65239120), (2, 32619560), (4, 16309780), (5, 13047824), (8, 8154890), (10, 6523912), (16, 4077445), (20, 3261956), (40, 1630978), (80, 815489), (163, 400240), (326, 200120), (652, 100060), (815, 80048), (1304, 50030), (1630, 40024), (2608, 25015), (3260, 20012), (5003, 13040), (6520, 10006)]