102605780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{797}}^1$

素因数の和:1004

約数の個数: 48

約数和(自身を含む): 222412176

約数和(自身を除く): 119806396

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 157, 164, 205, 314, 410, 628, 785, 797, 820, 1570, 1594, 3140, 3188, 3985, 6437, 7970, 12874, 15940, 25748, 32185, 32677, 64370, 65354, 125129, 128740, 130708, 163385, 250258, 326770, 500516, 625645, 653540, 1251290, 2502580, 5130289, 10260578, 20521156, 25651445, 51302890, 102605780]

約数ペア:

[(1, 102605780), (2, 51302890), (4, 25651445), (5, 20521156), (10, 10260578), (20, 5130289), (41, 2502580), (82, 1251290), (157, 653540), (164, 625645), (205, 500516), (314, 326770), (410, 250258), (628, 163385), (785, 130708), (797, 128740), (820, 125129), (1570, 65354), (1594, 64370), (3140, 32677), (3188, 32185), (3985, 25748), (6437, 15940), (7970, 12874)]