8857840

素因数分解:

$2^4\times 5^1\times {\mathrm{263}}^1\times {\mathrm{421}}^1$

素因数の和:697

約数の個数: 40

約数和(自身を含む): 20721888

約数和(自身を除く): 11864048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 263, 421, 526, 842, 1052, 1315, 1684, 2104, 2105, 2630, 3368, 4208, 4210, 5260, 6736, 8420, 10520, 16840, 21040, 33680, 110723, 221446, 442892, 553615, 885784, 1107230, 1771568, 2214460, 4428920, 8857840]

約数ペア:

[(1, 8857840), (2, 4428920), (4, 2214460), (5, 1771568), (8, 1107230), (10, 885784), (16, 553615), (20, 442892), (40, 221446), (80, 110723), (263, 33680), (421, 21040), (526, 16840), (842, 10520), (1052, 8420), (1315, 6736), (1684, 5260), (2104, 4210), (2105, 4208), (2630, 3368)]