80827216

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{5657}}^1$

素因数の和:5731

約数の個数: 40

約数和(自身を含む): 168382080

約数和(自身を除く): 87554864

約数列:

[1, 2, 4, 8, 16, 19, 38, 47, 76, 94, 152, 188, 304, 376, 752, 893, 1786, 3572, 5657, 7144, 11314, 14288, 22628, 45256, 90512, 107483, 214966, 265879, 429932, 531758, 859864, 1063516, 1719728, 2127032, 4254064, 5051701, 10103402, 20206804, 40413608, 80827216]

約数ペア:

[(1, 80827216), (2, 40413608), (4, 20206804), (8, 10103402), (16, 5051701), (19, 4254064), (38, 2127032), (47, 1719728), (76, 1063516), (94, 859864), (152, 531758), (188, 429932), (304, 265879), (376, 214966), (752, 107483), (893, 90512), (1786, 45256), (3572, 22628), (5657, 14288), (7144, 11314)]