8415940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{32369}}^1$

素因数の和:32391

約数の個数: 24

約数和(自身を含む): 19033560

約数和(自身を除く): 10617620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 32369, 64738, 129476, 161845, 323690, 420797, 647380, 841594, 1683188, 2103985, 4207970, 8415940]

約数ペア:

[(1, 8415940), (2, 4207970), (4, 2103985), (5, 1683188), (10, 841594), (13, 647380), (20, 420797), (26, 323690), (52, 161845), (65, 129476), (130, 64738), (260, 32369)]