61676980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{3209}}^1$

素因数の和:3280

約数の個数: 36

約数和(自身を含む): 133876260

約数和(自身を除く): 72199280

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 961, 1922, 3209, 3844, 4805, 6418, 9610, 12836, 16045, 19220, 32090, 64180, 99479, 198958, 397916, 497395, 994790, 1989580, 3083849, 6167698, 12335396, 15419245, 30838490, 61676980]

約数ペア:

[(1, 61676980), (2, 30838490), (4, 15419245), (5, 12335396), (10, 6167698), (20, 3083849), (31, 1989580), (62, 994790), (124, 497395), (155, 397916), (310, 198958), (620, 99479), (961, 64180), (1922, 32090), (3209, 19220), (3844, 16045), (4805, 12836), (6418, 9610)]