7805990

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{241}}^1$

素因数の和:368

約数の個数: 32

約数和(自身を含む): 14636160

約数和(自身を除く): 6830170

約数列:

[1, 2, 5, 10, 41, 79, 82, 158, 205, 241, 395, 410, 482, 790, 1205, 2410, 3239, 6478, 9881, 16195, 19039, 19762, 32390, 38078, 49405, 95195, 98810, 190390, 780599, 1561198, 3902995, 7805990]

約数ペア:

[(1, 7805990), (2, 3902995), (5, 1561198), (10, 780599), (41, 190390), (79, 98810), (82, 95195), (158, 49405), (205, 38078), (241, 32390), (395, 19762), (410, 19039), (482, 16195), (790, 9881), (1205, 6478), (2410, 3239)]