39569720

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{13933}}^1$

素因数の和:14015

約数の個数: 32

約数和(自身を含む): 90292320

約数和(自身を除く): 50722600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 13933, 27866, 55732, 69665, 111464, 139330, 278660, 557320, 989243, 1978486, 3956972, 4946215, 7913944, 9892430, 19784860, 39569720]

約数ペア:

[(1, 39569720), (2, 19784860), (4, 9892430), (5, 7913944), (8, 4946215), (10, 3956972), (20, 1978486), (40, 989243), (71, 557320), (142, 278660), (284, 139330), (355, 111464), (568, 69665), (710, 55732), (1420, 27866), (2840, 13933)]