8427920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6197}}^1$

素因数の和:6227

約数の個数: 40

約数和(自身を含む): 20750904

約数和(自身を除く): 12322984

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 6197, 12394, 24788, 30985, 49576, 61970, 99152, 105349, 123940, 210698, 247880, 421396, 495760, 526745, 842792, 1053490, 1685584, 2106980, 4213960, 8427920]

約数ペア:

[(1, 8427920), (2, 4213960), (4, 2106980), (5, 1685584), (8, 1053490), (10, 842792), (16, 526745), (17, 495760), (20, 421396), (34, 247880), (40, 210698), (68, 123940), (80, 105349), (85, 99152), (136, 61970), (170, 49576), (272, 30985), (340, 24788), (680, 12394), (1360, 6197)]