55215940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{212369}}^1$

素因数の和:212391

約数の個数: 24

約数和(自身を含む): 124873560

約数和(自身を除く): 69657620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 212369, 424738, 849476, 1061845, 2123690, 2760797, 4247380, 5521594, 11043188, 13803985, 27607970, 55215940]

約数ペア:

[(1, 55215940), (2, 27607970), (4, 13803985), (5, 11043188), (10, 5521594), (13, 4247380), (20, 2760797), (26, 2123690), (52, 1061845), (65, 849476), (130, 424738), (260, 212369)]