84191320

素因数分解:

$2^3\times 5^1\times {\mathrm{1223}}^1\times {\mathrm{1721}}^1$

素因数の和:2955

約数の個数: 32

約数和(自身を含む): 189695520

約数和(自身を除く): 105504200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1223, 1721, 2446, 3442, 4892, 6115, 6884, 8605, 9784, 12230, 13768, 17210, 24460, 34420, 48920, 68840, 2104783, 4209566, 8419132, 10523915, 16838264, 21047830, 42095660, 84191320]

約数ペア:

[(1, 84191320), (2, 42095660), (4, 21047830), (5, 16838264), (8, 10523915), (10, 8419132), (20, 4209566), (40, 2104783), (1223, 68840), (1721, 48920), (2446, 34420), (3442, 24460), (4892, 17210), (6115, 13768), (6884, 12230), (8605, 9784)]