4097560

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1151}}^1$

素因数の和:1251

約数の個数: 32

約数和(自身を含む): 9331200

約数和(自身を除く): 5233640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1151, 1780, 2302, 3560, 4604, 5755, 9208, 11510, 23020, 46040, 102439, 204878, 409756, 512195, 819512, 1024390, 2048780, 4097560]

約数ペア:

[(1, 4097560), (2, 2048780), (4, 1024390), (5, 819512), (8, 512195), (10, 409756), (20, 204878), (40, 102439), (89, 46040), (178, 23020), (356, 11510), (445, 9208), (712, 5755), (890, 4604), (1151, 3560), (1780, 2302)]