28493660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{3779}}^1$

素因数の和:3830

約数の個数: 48

約数和(自身を含む): 66679200

約数和(自身を除く): 38185540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 145, 260, 290, 377, 580, 754, 1508, 1885, 3770, 3779, 7540, 7558, 15116, 18895, 37790, 49127, 75580, 98254, 109591, 196508, 219182, 245635, 438364, 491270, 547955, 982540, 1095910, 1424683, 2191820, 2849366, 5698732, 7123415, 14246830, 28493660]

約数ペア:

[(1, 28493660), (2, 14246830), (4, 7123415), (5, 5698732), (10, 2849366), (13, 2191820), (20, 1424683), (26, 1095910), (29, 982540), (52, 547955), (58, 491270), (65, 438364), (116, 245635), (130, 219182), (145, 196508), (260, 109591), (290, 98254), (377, 75580), (580, 49127), (754, 37790), (1508, 18895), (1885, 15116), (3770, 7558), (3779, 7540)]