13912720

素因数分解:

$2^4\times 5^1\times {\mathrm{173909}}^1$

素因数の和:173922

約数の個数: 20

約数和(自身を含む): 32347260

約数和(自身を除く): 18434540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 173909, 347818, 695636, 869545, 1391272, 1739090, 2782544, 3478180, 6956360, 13912720]

約数ペア:

[(1, 13912720), (2, 6956360), (4, 3478180), (5, 2782544), (8, 1739090), (10, 1391272), (16, 869545), (20, 695636), (40, 347818), (80, 173909)]