51559820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6397}}^1$

素因数の和:6450

約数の個数: 48

約数和(自身を含む): 120384768

約数和(自身を除く): 68824948

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 6397, 8060, 12794, 25588, 31985, 63970, 83161, 127940, 166322, 198307, 332644, 396614, 415805, 793228, 831610, 991535, 1663220, 1983070, 2577991, 3966140, 5155982, 10311964, 12889955, 25779910, 51559820]

約数ペア:

[(1, 51559820), (2, 25779910), (4, 12889955), (5, 10311964), (10, 5155982), (13, 3966140), (20, 2577991), (26, 1983070), (31, 1663220), (52, 991535), (62, 831610), (65, 793228), (124, 415805), (130, 396614), (155, 332644), (260, 198307), (310, 166322), (403, 127940), (620, 83161), (806, 63970), (1612, 31985), (2015, 25588), (4030, 12794), (6397, 8060)]