80905048

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{521}}^1$

素因数の和:640

約数の個数: 64

約数和(自身を含む): 180403200

約数和(自身を除く): 99498152

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 59, 94, 118, 188, 236, 329, 376, 413, 472, 521, 658, 826, 1042, 1316, 1652, 2084, 2632, 2773, 3304, 3647, 4168, 5546, 7294, 11092, 14588, 19411, 22184, 24487, 29176, 30739, 38822, 48974, 61478, 77644, 97948, 122956, 155288, 171409, 195896, 215173, 245912, 342818, 430346, 685636, 860692, 1371272, 1444733, 1721384, 2889466, 5778932, 10113131, 11557864, 20226262, 40452524, 80905048]

約数ペア:

[(1, 80905048), (2, 40452524), (4, 20226262), (7, 11557864), (8, 10113131), (14, 5778932), (28, 2889466), (47, 1721384), (56, 1444733), (59, 1371272), (94, 860692), (118, 685636), (188, 430346), (236, 342818), (329, 245912), (376, 215173), (413, 195896), (472, 171409), (521, 155288), (658, 122956), (826, 97948), (1042, 77644), (1316, 61478), (1652, 48974), (2084, 38822), (2632, 30739), (2773, 29176), (3304, 24487), (3647, 22184), (4168, 19411), (5546, 14588), (7294, 11092)]