49278220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79481}}^1$

素因数の和:79521

約数の個数: 24

約数和(自身を含む): 106823808

約数和(自身を除く): 57545588

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 79481, 158962, 317924, 397405, 794810, 1589620, 2463911, 4927822, 9855644, 12319555, 24639110, 49278220]

約数ペア:

[(1, 49278220), (2, 24639110), (4, 12319555), (5, 9855644), (10, 4927822), (20, 2463911), (31, 1589620), (62, 794810), (124, 397405), (155, 317924), (310, 158962), (620, 79481)]