64824140

素因数分解:

$2^2\times 5^1\times {\mathrm{1381}}^1\times {\mathrm{2347}}^1$

素因数の和:3737

約数の個数: 24

約数和(自身を含む): 136287312

約数和(自身を除く): 71463172

約数列:

[1, 2, 4, 5, 10, 20, 1381, 2347, 2762, 4694, 5524, 6905, 9388, 11735, 13810, 23470, 27620, 46940, 3241207, 6482414, 12964828, 16206035, 32412070, 64824140]

約数ペア:

[(1, 64824140), (2, 32412070), (4, 16206035), (5, 12964828), (10, 6482414), (20, 3241207), (1381, 46940), (2347, 27620), (2762, 23470), (4694, 13810), (5524, 11735), (6905, 9388)]