7990250

素因数分解:

$2^1\times 5^3\times {\mathrm{31}}^1\times {\mathrm{1031}}^1$

素因数の和:1079

約数の個数: 32

約数和(自身を含む): 15455232

約数和(自身を除く): 7464982

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 125, 155, 250, 310, 775, 1031, 1550, 2062, 3875, 5155, 7750, 10310, 25775, 31961, 51550, 63922, 128875, 159805, 257750, 319610, 799025, 1598050, 3995125, 7990250]

約数ペア:

[(1, 7990250), (2, 3995125), (5, 1598050), (10, 799025), (25, 319610), (31, 257750), (50, 159805), (62, 128875), (125, 63922), (155, 51550), (250, 31961), (310, 25775), (775, 10310), (1031, 7750), (1550, 5155), (2062, 3875)]