17715680

素因数分解:

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

素因数の和:699

約数の個数: 48

約数和(自身を含む): 42112224

約数和(自身を除く): 24396544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 263, 421, 526, 842, 1052, 1315, 1684, 2104, 2105, 2630, 3368, 4208, 4210, 5260, 6736, 8416, 8420, 10520, 13472, 16840, 21040, 33680, 42080, 67360, 110723, 221446, 442892, 553615, 885784, 1107230, 1771568, 2214460, 3543136, 4428920, 8857840, 17715680]

約数ペア:

[(1, 17715680), (2, 8857840), (4, 4428920), (5, 3543136), (8, 2214460), (10, 1771568), (16, 1107230), (20, 885784), (32, 553615), (40, 442892), (80, 221446), (160, 110723), (263, 67360), (421, 42080), (526, 33680), (842, 21040), (1052, 16840), (1315, 13472), (1684, 10520), (2104, 8420), (2105, 8416), (2630, 6736), (3368, 5260), (4208, 4210)]