220892680

素因数分解:

$2^3\times 5^1\times {\mathrm{1531}}^1\times {\mathrm{3607}}^1$

素因数の和:5149

約数の個数: 32

約数和(自身を含む): 497471040

約数和(自身を除く): 276578360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1531, 3062, 3607, 6124, 7214, 7655, 12248, 14428, 15310, 18035, 28856, 30620, 36070, 61240, 72140, 144280, 5522317, 11044634, 22089268, 27611585, 44178536, 55223170, 110446340, 220892680]

約数ペア:

[(1, 220892680), (2, 110446340), (4, 55223170), (5, 44178536), (8, 27611585), (10, 22089268), (20, 11044634), (40, 5522317), (1531, 144280), (3062, 72140), (3607, 61240), (6124, 36070), (7214, 30620), (7655, 28856), (12248, 18035), (14428, 15310)]