2017400720

素因数分解:

$2^4\times 5^1\times {\mathrm{223}}^1\times {\mathrm{113083}}^1$

素因数の和:113319

約数の個数: 40

約数和(自身を含む): 4711531776

約数和(自身を除く): 2694131056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 223, 446, 892, 1115, 1784, 2230, 3568, 4460, 8920, 17840, 113083, 226166, 452332, 565415, 904664, 1130830, 1809328, 2261660, 4523320, 9046640, 25217509, 50435018, 100870036, 126087545, 201740072, 252175090, 403480144, 504350180, 1008700360, 2017400720]

約数ペア:

[(1, 2017400720), (2, 1008700360), (4, 504350180), (5, 403480144), (8, 252175090), (10, 201740072), (16, 126087545), (20, 100870036), (40, 50435018), (80, 25217509), (223, 9046640), (446, 4523320), (892, 2261660), (1115, 1809328), (1784, 1130830), (2230, 904664), (3568, 565415), (4460, 452332), (8920, 226166), (17840, 113083)]