38649620

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{28843}}^1$

素因数の和:28919

約数の個数: 24

約数和(自身を含む): 82378464

約数和(自身を除く): 43728844

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 28843, 57686, 115372, 144215, 288430, 576860, 1932481, 3864962, 7729924, 9662405, 19324810, 38649620]

約数ペア:

[(1, 38649620), (2, 19324810), (4, 9662405), (5, 7729924), (10, 3864962), (20, 1932481), (67, 576860), (134, 288430), (268, 144215), (335, 115372), (670, 57686), (1340, 28843)]