65204980

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{977}}^1$

素因数の和:1104

約数の個数: 48

約数和(自身を含む): 141958656

約数和(自身を除く): 76753676

約数列:

[1, 2, 4, 5, 10, 20, 47, 71, 94, 142, 188, 235, 284, 355, 470, 710, 940, 977, 1420, 1954, 3337, 3908, 4885, 6674, 9770, 13348, 16685, 19540, 33370, 45919, 66740, 69367, 91838, 138734, 183676, 229595, 277468, 346835, 459190, 693670, 918380, 1387340, 3260249, 6520498, 13040996, 16301245, 32602490, 65204980]

約数ペア:

[(1, 65204980), (2, 32602490), (4, 16301245), (5, 13040996), (10, 6520498), (20, 3260249), (47, 1387340), (71, 918380), (94, 693670), (142, 459190), (188, 346835), (235, 277468), (284, 229595), (355, 183676), (470, 138734), (710, 91838), (940, 69367), (977, 66740), (1420, 45919), (1954, 33370), (3337, 19540), (3908, 16685), (4885, 13348), (6674, 9770)]