40064360

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{20441}}^1$

素因数の和:20466

約数の個数: 48

約数和(自身を含む): 104867460

約数和(自身を除く): 64803100

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 20441, 40882, 81764, 102205, 143087, 163528, 204410, 286174, 408820, 572348, 715435, 817640, 1001609, 1144696, 1430870, 2003218, 2861740, 4006436, 5008045, 5723480, 8012872, 10016090, 20032180, 40064360]

約数ペア:

[(1, 40064360), (2, 20032180), (4, 10016090), (5, 8012872), (7, 5723480), (8, 5008045), (10, 4006436), (14, 2861740), (20, 2003218), (28, 1430870), (35, 1144696), (40, 1001609), (49, 817640), (56, 715435), (70, 572348), (98, 408820), (140, 286174), (196, 204410), (245, 163528), (280, 143087), (392, 102205), (490, 81764), (980, 40882), (1960, 20441)]