5121560

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2099}}^1$

素因数の和:2171

約数の個数: 32

約数和(自身を含む): 11718000

約数和(自身を除く): 6596440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2099, 2440, 4198, 8396, 10495, 16792, 20990, 41980, 83960, 128039, 256078, 512156, 640195, 1024312, 1280390, 2560780, 5121560]

約数ペア:

[(1, 5121560), (2, 2560780), (4, 1280390), (5, 1024312), (8, 640195), (10, 512156), (20, 256078), (40, 128039), (61, 83960), (122, 41980), (244, 20990), (305, 16792), (488, 10495), (610, 8396), (1220, 4198), (2099, 2440)]