81249040

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{27449}}^1$

素因数の和:27499

約数の個数: 40

約数和(自身を含む): 194016600

約数和(自身を除く): 112767560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 27449, 54898, 109796, 137245, 219592, 274490, 439184, 548980, 1015613, 1097960, 2031226, 2195920, 4062452, 5078065, 8124904, 10156130, 16249808, 20312260, 40624520, 81249040]

約数ペア:

[(1, 81249040), (2, 40624520), (4, 20312260), (5, 16249808), (8, 10156130), (10, 8124904), (16, 5078065), (20, 4062452), (37, 2195920), (40, 2031226), (74, 1097960), (80, 1015613), (148, 548980), (185, 439184), (296, 274490), (370, 219592), (592, 137245), (740, 109796), (1480, 54898), (2960, 27449)]