31528160

素因数分解:

$2^5\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1951}}^1$

素因数の和:2067

約数の個数: 48

約数和(自身を含む): 75261312

約数和(自身を除く): 43733152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 101, 160, 202, 404, 505, 808, 1010, 1616, 1951, 2020, 3232, 3902, 4040, 7804, 8080, 9755, 15608, 16160, 19510, 31216, 39020, 62432, 78040, 156080, 197051, 312160, 394102, 788204, 985255, 1576408, 1970510, 3152816, 3941020, 6305632, 7882040, 15764080, 31528160]

約数ペア:

[(1, 31528160), (2, 15764080), (4, 7882040), (5, 6305632), (8, 3941020), (10, 3152816), (16, 1970510), (20, 1576408), (32, 985255), (40, 788204), (80, 394102), (101, 312160), (160, 197051), (202, 156080), (404, 78040), (505, 62432), (808, 39020), (1010, 31216), (1616, 19510), (1951, 16160), (2020, 15608), (3232, 9755), (3902, 8080), (4040, 7804)]