40417720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{144349}}^1$

素因数の和:144367

約数の個数: 32

約数和(自身を含む): 103932000

約数和(自身を除く): 63514280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 144349, 288698, 577396, 721745, 1010443, 1154792, 1443490, 2020886, 2886980, 4041772, 5052215, 5773960, 8083544, 10104430, 20208860, 40417720]

約数ペア:

[(1, 40417720), (2, 20208860), (4, 10104430), (5, 8083544), (7, 5773960), (8, 5052215), (10, 4041772), (14, 2886980), (20, 2020886), (28, 1443490), (35, 1154792), (40, 1010443), (56, 721745), (70, 577396), (140, 288698), (280, 144349)]