64891368620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{431}}^1\times {\mathrm{2551}}^1$

素因数の和:3231

約数の個数: 96

約数和(自身を含む): 147800733696

約数和(自身を除く): 82909365076

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 227, 260, 431, 454, 862, 908, 1135, 1724, 2155, 2270, 2551, 2951, 4310, 4540, 5102, 5603, 5902, 8620, 10204, 11206, 11804, 12755, 14755, 22412, 25510, 28015, 29510, 33163, 51020, 56030, 59020, 66326, 97837, 112060, 132652, 165815, 195674, 331630, 391348, 489185, 579077, 663260, 978370, 1099481, 1158154, 1271881, 1956740, 2198962, 2316308, 2543762, 2895385, 4397924, 5087524, 5497405, 5790770, 6359405, 7528001, 10994810, 11581540, 12718810, 14293253, 15056002, 21989620, 25437620, 28586506, 30112004, 37640005, 57173012, 71466265, 75280010, 142932530, 150560020, 249582187, 285865060, 499164374, 998328748, 1247910935, 2495821870, 3244568431, 4991643740, 6489136862, 12978273724, 16222842155, 32445684310, 64891368620]

約数ペア:

[(1, 64891368620), (2, 32445684310), (4, 16222842155), (5, 12978273724), (10, 6489136862), (13, 4991643740), (20, 3244568431), (26, 2495821870), (52, 1247910935), (65, 998328748), (130, 499164374), (227, 285865060), (260, 249582187), (431, 150560020), (454, 142932530), (862, 75280010), (908, 71466265), (1135, 57173012), (1724, 37640005), (2155, 30112004), (2270, 28586506), (2551, 25437620), (2951, 21989620), (4310, 15056002), (4540, 14293253), (5102, 12718810), (5603, 11581540), (5902, 10994810), (8620, 7528001), (10204, 6359405), (11206, 5790770), (11804, 5497405), (12755, 5087524), (14755, 4397924), (22412, 2895385), (25510, 2543762), (28015, 2316308), (29510, 2198962), (33163, 1956740), (51020, 1271881), (56030, 1158154), (59020, 1099481), (66326, 978370), (97837, 663260), (112060, 579077), (132652, 489185), (165815, 391348), (195674, 331630)]