15526480

素因数分解:

$2^4\times 5^1\times {\mathrm{421}}^1\times {\mathrm{461}}^1$

素因数の和:895

約数の個数: 40

約数和(自身を含む): 36263304

約数和(自身を除く): 20736824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 421, 461, 842, 922, 1684, 1844, 2105, 2305, 3368, 3688, 4210, 4610, 6736, 7376, 8420, 9220, 16840, 18440, 33680, 36880, 194081, 388162, 776324, 970405, 1552648, 1940810, 3105296, 3881620, 7763240, 15526480]

約数ペア:

[(1, 15526480), (2, 7763240), (4, 3881620), (5, 3105296), (8, 1940810), (10, 1552648), (16, 970405), (20, 776324), (40, 388162), (80, 194081), (421, 36880), (461, 33680), (842, 18440), (922, 16840), (1684, 9220), (1844, 8420), (2105, 7376), (2305, 6736), (3368, 4610), (3688, 4210)]