79859720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{64403}}^1$

素因数の和:64445

約数の個数: 32

約数和(自身を含む): 185483520

約数和(自身を除く): 105623800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 64403, 128806, 257612, 322015, 515224, 644030, 1288060, 1996493, 2576120, 3992986, 7985972, 9982465, 15971944, 19964930, 39929860, 79859720]

約数ペア:

[(1, 79859720), (2, 39929860), (4, 19964930), (5, 15971944), (8, 9982465), (10, 7985972), (20, 3992986), (31, 2576120), (40, 1996493), (62, 1288060), (124, 644030), (155, 515224), (248, 322015), (310, 257612), (620, 128806), (1240, 64403)]