17390680

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1063}}^1$

素因数の和:1483

約数の個数: 32

約数和(自身を含む): 39261600

約数和(自身を除く): 21870920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 818, 1063, 1636, 2045, 2126, 3272, 4090, 4252, 5315, 8180, 8504, 10630, 16360, 21260, 42520, 434767, 869534, 1739068, 2173835, 3478136, 4347670, 8695340, 17390680]

約数ペア:

[(1, 17390680), (2, 8695340), (4, 4347670), (5, 3478136), (8, 2173835), (10, 1739068), (20, 869534), (40, 434767), (409, 42520), (818, 21260), (1063, 16360), (1636, 10630), (2045, 8504), (2126, 8180), (3272, 5315), (4090, 4252)]