80621740

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{229}}^1\times {\mathrm{607}}^1$

素因数の和:874

約数の個数: 48

約数和(自身を含む): 176198400

約数和(自身を除く): 95576660

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 229, 290, 458, 580, 607, 916, 1145, 1214, 2290, 2428, 3035, 4580, 6070, 6641, 12140, 13282, 17603, 26564, 33205, 35206, 66410, 70412, 88015, 132820, 139003, 176030, 278006, 352060, 556012, 695015, 1390030, 2780060, 4031087, 8062174, 16124348, 20155435, 40310870, 80621740]

約数ペア:

[(1, 80621740), (2, 40310870), (4, 20155435), (5, 16124348), (10, 8062174), (20, 4031087), (29, 2780060), (58, 1390030), (116, 695015), (145, 556012), (229, 352060), (290, 278006), (458, 176030), (580, 139003), (607, 132820), (916, 88015), (1145, 70412), (1214, 66410), (2290, 35206), (2428, 33205), (3035, 26564), (4580, 17603), (6070, 13282), (6641, 12140)]