80332420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{547}}^1\times {\mathrm{1049}}^1$

素因数の和:1612

約数の個数: 48

約数和(自身を含む): 193334400

約数和(自身を除く): 113001980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 547, 1049, 1094, 2098, 2188, 2735, 3829, 4196, 5245, 5470, 7343, 7658, 10490, 10940, 14686, 15316, 19145, 20980, 29372, 36715, 38290, 73430, 76580, 146860, 573803, 1147606, 2295212, 2869015, 4016621, 5738030, 8033242, 11476060, 16066484, 20083105, 40166210, 80332420]

約数ペア:

[(1, 80332420), (2, 40166210), (4, 20083105), (5, 16066484), (7, 11476060), (10, 8033242), (14, 5738030), (20, 4016621), (28, 2869015), (35, 2295212), (70, 1147606), (140, 573803), (547, 146860), (1049, 76580), (1094, 73430), (2098, 38290), (2188, 36715), (2735, 29372), (3829, 20980), (4196, 19145), (5245, 15316), (5470, 14686), (7343, 10940), (7658, 10490)]