858704120

素因数分解:

$2^3\times 5^1\times {\mathrm{2393}}^1\times {\mathrm{8971}}^1$

素因数の和:11375

約数の個数: 32

約数和(自身を含む): 1933107120

約数和(自身を除く): 1074403000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2393, 4786, 8971, 9572, 11965, 17942, 19144, 23930, 35884, 44855, 47860, 71768, 89710, 95720, 179420, 358840, 21467603, 42935206, 85870412, 107338015, 171740824, 214676030, 429352060, 858704120]

約数ペア:

[(1, 858704120), (2, 429352060), (4, 214676030), (5, 171740824), (8, 107338015), (10, 85870412), (20, 42935206), (40, 21467603), (2393, 358840), (4786, 179420), (8971, 95720), (9572, 89710), (11965, 71768), (17942, 47860), (19144, 44855), (23930, 35884)]