65617520

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{5987}}^1$

素因数の和:6137

約数の個数: 40

約数和(自身を含む): 153699984

約数和(自身を除く): 88082464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 274, 548, 685, 1096, 1370, 2192, 2740, 5480, 5987, 10960, 11974, 23948, 29935, 47896, 59870, 95792, 119740, 239480, 478960, 820219, 1640438, 3280876, 4101095, 6561752, 8202190, 13123504, 16404380, 32808760, 65617520]

約数ペア:

[(1, 65617520), (2, 32808760), (4, 16404380), (5, 13123504), (8, 8202190), (10, 6561752), (16, 4101095), (20, 3280876), (40, 1640438), (80, 820219), (137, 478960), (274, 239480), (548, 119740), (685, 95792), (1096, 59870), (1370, 47896), (2192, 29935), (2740, 23948), (5480, 11974), (5987, 10960)]