649752010

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1109}}^1\times {\mathrm{1429}}^1$

素因数の和:2586

約数の個数: 32

約数和(自身を含む): 1199998800

約数和(自身を除く): 550246790

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 1109, 1429, 2218, 2858, 5545, 7145, 11090, 14290, 45469, 58589, 90938, 117178, 227345, 292945, 454690, 585890, 1584761, 3169522, 7923805, 15847610, 64975201, 129950402, 324876005, 649752010]

約数ペア:

[(1, 649752010), (2, 324876005), (5, 129950402), (10, 64975201), (41, 15847610), (82, 7923805), (205, 3169522), (410, 1584761), (1109, 585890), (1429, 454690), (2218, 292945), (2858, 227345), (5545, 117178), (7145, 90938), (11090, 58589), (14290, 45469)]