51271480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2293}}^1$

素因数の和:2360

約数の個数: 64

約数和(自身を含む): 127179360

約数和(自身を除く): 75907880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 130, 172, 215, 260, 344, 430, 520, 559, 860, 1118, 1720, 2236, 2293, 2795, 4472, 4586, 5590, 9172, 11180, 11465, 18344, 22360, 22930, 29809, 45860, 59618, 91720, 98599, 119236, 149045, 197198, 238472, 298090, 394396, 492995, 596180, 788792, 985990, 1192360, 1281787, 1971980, 2563574, 3943960, 5127148, 6408935, 10254296, 12817870, 25635740, 51271480]

約数ペア:

[(1, 51271480), (2, 25635740), (4, 12817870), (5, 10254296), (8, 6408935), (10, 5127148), (13, 3943960), (20, 2563574), (26, 1971980), (40, 1281787), (43, 1192360), (52, 985990), (65, 788792), (86, 596180), (104, 492995), (130, 394396), (172, 298090), (215, 238472), (260, 197198), (344, 149045), (430, 119236), (520, 98599), (559, 91720), (860, 59618), (1118, 45860), (1720, 29809), (2236, 22930), (2293, 22360), (2795, 18344), (4472, 11465), (4586, 11180), (5590, 9172)]