16536880

素因数分解:

$2^4\times 5^1\times {\mathrm{421}}^1\times {\mathrm{491}}^1$

素因数の和:925

約数の個数: 40

約数和(自身を含む): 38618064

約数和(自身を除く): 22081184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 421, 491, 842, 982, 1684, 1964, 2105, 2455, 3368, 3928, 4210, 4910, 6736, 7856, 8420, 9820, 16840, 19640, 33680, 39280, 206711, 413422, 826844, 1033555, 1653688, 2067110, 3307376, 4134220, 8268440, 16536880]

約数ペア:

[(1, 16536880), (2, 8268440), (4, 4134220), (5, 3307376), (8, 2067110), (10, 1653688), (16, 1033555), (20, 826844), (40, 413422), (80, 206711), (421, 39280), (491, 33680), (842, 19640), (982, 16840), (1684, 9820), (1964, 8420), (2105, 7856), (2455, 6736), (3368, 4910), (3928, 4210)]