90129040

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{30449}}^1$

素因数の和:30499

約数の個数: 40

約数和(自身を含む): 215220600

約数和(自身を除く): 125091560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 30449, 60898, 121796, 152245, 243592, 304490, 487184, 608980, 1126613, 1217960, 2253226, 2435920, 4506452, 5633065, 9012904, 11266130, 18025808, 22532260, 45064520, 90129040]

約数ペア:

[(1, 90129040), (2, 45064520), (4, 22532260), (5, 18025808), (8, 11266130), (10, 9012904), (16, 5633065), (20, 4506452), (37, 2435920), (40, 2253226), (74, 1217960), (80, 1126613), (148, 608980), (185, 487184), (296, 304490), (370, 243592), (592, 152245), (740, 121796), (1480, 60898), (2960, 30449)]