82380920

素因数分解:

$2^3\times 5^1\times {\mathrm{487}}^1\times {\mathrm{4229}}^1$

素因数の和:4727

約数の個数: 32

約数和(自身を含む): 185781600

約数和(自身を除く): 103400680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 487, 974, 1948, 2435, 3896, 4229, 4870, 8458, 9740, 16916, 19480, 21145, 33832, 42290, 84580, 169160, 2059523, 4119046, 8238092, 10297615, 16476184, 20595230, 41190460, 82380920]

約数ペア:

[(1, 82380920), (2, 41190460), (4, 20595230), (5, 16476184), (8, 10297615), (10, 8238092), (20, 4119046), (40, 2059523), (487, 169160), (974, 84580), (1948, 42290), (2435, 33832), (3896, 21145), (4229, 19480), (4870, 16916), (8458, 9740)]