8940940

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{5023}}^1$

素因数の和:5121

約数の個数: 24

約数和(自身を含む): 18990720

約数和(自身を除く): 10049780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 5023, 10046, 20092, 25115, 50230, 100460, 447047, 894094, 1788188, 2235235, 4470470, 8940940]

約数ペア:

[(1, 8940940), (2, 4470470), (4, 2235235), (5, 1788188), (10, 894094), (20, 447047), (89, 100460), (178, 50230), (356, 25115), (445, 20092), (890, 10046), (1780, 5023)]