125855560

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{163}}^1\times {\mathrm{199}}^1$

素因数の和:470

約数の個数: 64

約数和(自身を含む): 289296000

約数和(自身を除く): 163440440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 163, 194, 199, 326, 388, 398, 485, 652, 776, 796, 815, 970, 995, 1304, 1592, 1630, 1940, 1990, 3260, 3880, 3980, 6520, 7960, 15811, 19303, 31622, 32437, 38606, 63244, 64874, 77212, 79055, 96515, 126488, 129748, 154424, 158110, 162185, 193030, 259496, 316220, 324370, 386060, 632440, 648740, 772120, 1297480, 3146389, 6292778, 12585556, 15731945, 25171112, 31463890, 62927780, 125855560]

約数ペア:

[(1, 125855560), (2, 62927780), (4, 31463890), (5, 25171112), (8, 15731945), (10, 12585556), (20, 6292778), (40, 3146389), (97, 1297480), (163, 772120), (194, 648740), (199, 632440), (326, 386060), (388, 324370), (398, 316220), (485, 259496), (652, 193030), (776, 162185), (796, 158110), (815, 154424), (970, 129748), (995, 126488), (1304, 96515), (1592, 79055), (1630, 77212), (1940, 64874), (1990, 63244), (3260, 38606), (3880, 32437), (3980, 31622), (6520, 19303), (7960, 15811)]