53903740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2753}}^1$

素因数の和:2862

約数の個数: 48

約数和(自身を含む): 124921440

約数和(自身を除く): 71017700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 356, 445, 890, 979, 1780, 1958, 2753, 3916, 4895, 5506, 9790, 11012, 13765, 19580, 27530, 30283, 55060, 60566, 121132, 151415, 245017, 302830, 490034, 605660, 980068, 1225085, 2450170, 2695187, 4900340, 5390374, 10780748, 13475935, 26951870, 53903740]

約数ペア:

[(1, 53903740), (2, 26951870), (4, 13475935), (5, 10780748), (10, 5390374), (11, 4900340), (20, 2695187), (22, 2450170), (44, 1225085), (55, 980068), (89, 605660), (110, 490034), (178, 302830), (220, 245017), (356, 151415), (445, 121132), (890, 60566), (979, 55060), (1780, 30283), (1958, 27530), (2753, 19580), (3916, 13765), (4895, 11012), (5506, 9790)]