28118980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{48481}}^1$

素因数の和:48519

約数の個数: 24

約数和(自身を含む): 61087320

約数和(自身を除く): 32968340

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 48481, 96962, 193924, 242405, 484810, 969620, 1405949, 2811898, 5623796, 7029745, 14059490, 28118980]

約数ペア:

[(1, 28118980), (2, 14059490), (4, 7029745), (5, 5623796), (10, 2811898), (20, 1405949), (29, 969620), (58, 484810), (116, 242405), (145, 193924), (290, 96962), (580, 48481)]