8301680

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2531}}^1$

素因数の和:2585

約数の個数: 40

約数和(自身を含む): 19779984

約数和(自身を除く): 11478304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 2531, 3280, 5062, 10124, 12655, 20248, 25310, 40496, 50620, 101240, 103771, 202480, 207542, 415084, 518855, 830168, 1037710, 1660336, 2075420, 4150840, 8301680]

約数ペア:

[(1, 8301680), (2, 4150840), (4, 2075420), (5, 1660336), (8, 1037710), (10, 830168), (16, 518855), (20, 415084), (40, 207542), (41, 202480), (80, 103771), (82, 101240), (164, 50620), (205, 40496), (328, 25310), (410, 20248), (656, 12655), (820, 10124), (1640, 5062), (2531, 3280)]