2422640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2753}}^1$

素因数の和:2777

約数の個数: 40

約数和(自身を含む): 6146928

約数和(自身を除く): 3724288

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 2753, 5506, 11012, 13765, 22024, 27530, 30283, 44048, 55060, 60566, 110120, 121132, 151415, 220240, 242264, 302830, 484528, 605660, 1211320, 2422640]

約数ペア:

[(1, 2422640), (2, 1211320), (4, 605660), (5, 484528), (8, 302830), (10, 242264), (11, 220240), (16, 151415), (20, 121132), (22, 110120), (40, 60566), (44, 55060), (55, 44048), (80, 30283), (88, 27530), (110, 22024), (176, 13765), (220, 11012), (440, 5506), (880, 2753)]