4039540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^2$

素因数の和:244

約数の個数: 36

約数和(自身を含む): 9065196

約数和(自身を除く): 5025656

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 109, 170, 218, 340, 436, 545, 1090, 1853, 2180, 3706, 7412, 9265, 11881, 18530, 23762, 37060, 47524, 59405, 118810, 201977, 237620, 403954, 807908, 1009885, 2019770, 4039540]

約数ペア:

[(1, 4039540), (2, 2019770), (4, 1009885), (5, 807908), (10, 403954), (17, 237620), (20, 201977), (34, 118810), (68, 59405), (85, 47524), (109, 37060), (170, 23762), (218, 18530), (340, 11881), (436, 9265), (545, 7412), (1090, 3706), (1853, 2180)]