15796280

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{3623}}^1$

素因数の和:3743

約数の個数: 32

約数和(自身を含む): 35877600

約数和(自身を除く): 20081320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 3623, 4360, 7246, 14492, 18115, 28984, 36230, 72460, 144920, 394907, 789814, 1579628, 1974535, 3159256, 3949070, 7898140, 15796280]

約数ペア:

[(1, 15796280), (2, 7898140), (4, 3949070), (5, 3159256), (8, 1974535), (10, 1579628), (20, 789814), (40, 394907), (109, 144920), (218, 72460), (436, 36230), (545, 28984), (872, 18115), (1090, 14492), (2180, 7246), (3623, 4360)]