12668560

素因数分解:

$2^4\times 5^1\times {\mathrm{158357}}^1$

素因数の和:158370

約数の個数: 20

約数和(自身を含む): 29454588

約数和(自身を除く): 16786028

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 158357, 316714, 633428, 791785, 1266856, 1583570, 2533712, 3167140, 6334280, 12668560]

約数ペア:

[(1, 12668560), (2, 6334280), (4, 3167140), (5, 2533712), (8, 1583570), (10, 1266856), (16, 791785), (20, 633428), (40, 316714), (80, 158357)]