55538660

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{379}}^1\times {\mathrm{431}}^1$

素因数の和:836

約数の個数: 48

約数和(自身を含む): 124104960

約数和(自身を除く): 68566300

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 379, 431, 758, 862, 1516, 1724, 1895, 2155, 3790, 4310, 6443, 7327, 7580, 8620, 12886, 14654, 25772, 29308, 32215, 36635, 64430, 73270, 128860, 146540, 163349, 326698, 653396, 816745, 1633490, 2776933, 3266980, 5553866, 11107732, 13884665, 27769330, 55538660]

約数ペア:

[(1, 55538660), (2, 27769330), (4, 13884665), (5, 11107732), (10, 5553866), (17, 3266980), (20, 2776933), (34, 1633490), (68, 816745), (85, 653396), (170, 326698), (340, 163349), (379, 146540), (431, 128860), (758, 73270), (862, 64430), (1516, 36635), (1724, 32215), (1895, 29308), (2155, 25772), (3790, 14654), (4310, 12886), (6443, 8620), (7327, 7580)]