64079480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{1667}}^1$

素因数の和:1740

約数の個数: 48

約数和(自身を含む): 149069160

約数和(自身を除く): 84989680

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 961, 1240, 1667, 1922, 3334, 3844, 4805, 6668, 7688, 8335, 9610, 13336, 16670, 19220, 33340, 38440, 51677, 66680, 103354, 206708, 258385, 413416, 516770, 1033540, 1601987, 2067080, 3203974, 6407948, 8009935, 12815896, 16019870, 32039740, 64079480]

約数ペア:

[(1, 64079480), (2, 32039740), (4, 16019870), (5, 12815896), (8, 8009935), (10, 6407948), (20, 3203974), (31, 2067080), (40, 1601987), (62, 1033540), (124, 516770), (155, 413416), (248, 258385), (310, 206708), (620, 103354), (961, 66680), (1240, 51677), (1667, 38440), (1922, 33340), (3334, 19220), (3844, 16670), (4805, 13336), (6668, 9610), (7688, 8335)]