4045940

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{2273}}^1$

素因数の和:2371

約数の個数: 24

約数和(自身を含む): 8595720

約数和(自身を除く): 4549780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 2273, 4546, 9092, 11365, 22730, 45460, 202297, 404594, 809188, 1011485, 2022970, 4045940]

約数ペア:

[(1, 4045940), (2, 2022970), (4, 1011485), (5, 809188), (10, 404594), (20, 202297), (89, 45460), (178, 22730), (356, 11365), (445, 9092), (890, 4546), (1780, 2273)]