26458660

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{229}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 57380400

約数和(自身を除く): 30921740

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 109, 212, 218, 229, 265, 436, 458, 530, 545, 916, 1060, 1090, 1145, 2180, 2290, 4580, 5777, 11554, 12137, 23108, 24274, 24961, 28885, 48548, 49922, 57770, 60685, 99844, 115540, 121370, 124805, 242740, 249610, 499220, 1322933, 2645866, 5291732, 6614665, 13229330, 26458660]

約数ペア:

[(1, 26458660), (2, 13229330), (4, 6614665), (5, 5291732), (10, 2645866), (20, 1322933), (53, 499220), (106, 249610), (109, 242740), (212, 124805), (218, 121370), (229, 115540), (265, 99844), (436, 60685), (458, 57770), (530, 49922), (545, 48548), (916, 28885), (1060, 24961), (1090, 24274), (1145, 23108), (2180, 12137), (2290, 11554), (4580, 5777)]