87688220

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{32003}}^1$

素因数の和:32149

約数の個数: 24

約数和(自身を含む): 185495184

約数和(自身を除く): 97806964

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 32003, 64006, 128012, 160015, 320030, 640060, 4384411, 8768822, 17537644, 21922055, 43844110, 87688220]

約数ペア:

[(1, 87688220), (2, 43844110), (4, 21922055), (5, 17537644), (10, 8768822), (20, 4384411), (137, 640060), (274, 320030), (548, 160015), (685, 128012), (1370, 64006), (2740, 32003)]