2057369560

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1659169}}^1$

素因数の和:1659211

約数の個数: 32

約数和(自身を含む): 4778409600

約数和(自身を除く): 2721040040

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 1659169, 3318338, 6636676, 8295845, 13273352, 16591690, 33183380, 51434239, 66366760, 102868478, 205736956, 257171195, 411473912, 514342390, 1028684780, 2057369560]

約数ペア:

[(1, 2057369560), (2, 1028684780), (4, 514342390), (5, 411473912), (8, 257171195), (10, 205736956), (20, 102868478), (31, 66366760), (40, 51434239), (62, 33183380), (124, 16591690), (155, 13273352), (248, 8295845), (310, 6636676), (620, 3318338), (1240, 1659169)]