7934903660

素因数分解:

$2^2\times 5^1\times {\mathrm{997}}^1\times {\mathrm{397939}}^1$

素因数の和:398945

約数の個数: 24

約数和(自身を含む): 16680053040

約数和(自身を除く): 8745149380

約数列:

[1, 2, 4, 5, 10, 20, 997, 1994, 3988, 4985, 9970, 19940, 397939, 795878, 1591756, 1989695, 3979390, 7958780, 396745183, 793490366, 1586980732, 1983725915, 3967451830, 7934903660]

約数ペア:

[(1, 7934903660), (2, 3967451830), (4, 1983725915), (5, 1586980732), (10, 793490366), (20, 396745183), (997, 7958780), (1994, 3979390), (3988, 1989695), (4985, 1591756), (9970, 795878), (19940, 397939)]