16555940

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{3221}}^1$

素因数の和:3487

約数の個数: 24

約数和(自身を含む): 34913592

約数和(自身を除く): 18357652

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 3221, 5140, 6442, 12884, 16105, 32210, 64420, 827797, 1655594, 3311188, 4138985, 8277970, 16555940]

約数ペア:

[(1, 16555940), (2, 8277970), (4, 4138985), (5, 3311188), (10, 1655594), (20, 827797), (257, 64420), (514, 32210), (1028, 16105), (1285, 12884), (2570, 6442), (3221, 5140)]