56720920

素因数分解:

$2^3\times 5^1\times {\mathrm{1418023}}^1$

素因数の和:1418034

約数の個数: 16

約数和(自身を含む): 127622160

約数和(自身を除く): 70901240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1418023, 2836046, 5672092, 7090115, 11344184, 14180230, 28360460, 56720920]

約数ペア:

[(1, 56720920), (2, 28360460), (4, 14180230), (5, 11344184), (8, 7090115), (10, 5672092), (20, 2836046), (40, 1418023)]