2580821660

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{991}}^1\times {\mathrm{2207}}^1$

素因数の和:3266

約数の個数: 48

約数和(自身を含む): 5519646720

約数和(自身を除く): 2938825060

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 295, 590, 991, 1180, 1982, 2207, 3964, 4414, 4955, 8828, 9910, 11035, 19820, 22070, 44140, 58469, 116938, 130213, 233876, 260426, 292345, 520852, 584690, 651065, 1169380, 1302130, 2187137, 2604260, 4374274, 8748548, 10935685, 21871370, 43742740, 129041083, 258082166, 516164332, 645205415, 1290410830, 2580821660]

約数ペア:

[(1, 2580821660), (2, 1290410830), (4, 645205415), (5, 516164332), (10, 258082166), (20, 129041083), (59, 43742740), (118, 21871370), (236, 10935685), (295, 8748548), (590, 4374274), (991, 2604260), (1180, 2187137), (1982, 1302130), (2207, 1169380), (3964, 651065), (4414, 584690), (4955, 520852), (8828, 292345), (9910, 260426), (11035, 233876), (19820, 130213), (22070, 116938), (44140, 58469)]