26928820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^2\times {\mathrm{1601}}^1$

素因数の和:1668

約数の個数: 36

約数和(自身を含む): 58604364

約数和(自身を除く): 31675544

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 841, 1601, 1682, 3202, 3364, 4205, 6404, 8005, 8410, 16010, 16820, 32020, 46429, 92858, 185716, 232145, 464290, 928580, 1346441, 2692882, 5385764, 6732205, 13464410, 26928820]

約数ペア:

[(1, 26928820), (2, 13464410), (4, 6732205), (5, 5385764), (10, 2692882), (20, 1346441), (29, 928580), (58, 464290), (116, 232145), (145, 185716), (290, 92858), (580, 46429), (841, 32020), (1601, 16820), (1682, 16010), (3202, 8410), (3364, 8005), (4205, 6404)]