12740370080

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2568623}}^1$

素因数の和:2568669

約数の個数: 48

約数和(自身を含む): 31070075904

約数和(自身を除く): 18329705824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 2568623, 5137246, 10274492, 12843115, 20548984, 25686230, 41097968, 51372460, 79627313, 82195936, 102744920, 159254626, 205489840, 318509252, 398136565, 410979680, 637018504, 796273130, 1274037008, 1592546260, 2548074016, 3185092520, 6370185040, 12740370080]

約数ペア:

[(1, 12740370080), (2, 6370185040), (4, 3185092520), (5, 2548074016), (8, 1592546260), (10, 1274037008), (16, 796273130), (20, 637018504), (31, 410979680), (32, 398136565), (40, 318509252), (62, 205489840), (80, 159254626), (124, 102744920), (155, 82195936), (160, 79627313), (248, 51372460), (310, 41097968), (496, 25686230), (620, 20548984), (992, 12843115), (1240, 10274492), (2480, 5137246), (4960, 2568623)]