42019968380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{812137}}^1$

素因数の和:812358

約数の個数: 48

約数和(自身を含む): 95507428800

約数和(自身を除く): 53487460420

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 199, 260, 398, 796, 995, 1990, 2587, 3980, 5174, 10348, 12935, 25870, 51740, 812137, 1624274, 3248548, 4060685, 8121370, 10557781, 16242740, 21115562, 42231124, 52788905, 105577810, 161615263, 211155620, 323230526, 646461052, 808076315, 1616152630, 2100998419, 3232305260, 4201996838, 8403993676, 10504992095, 21009984190, 42019968380]

約数ペア:

[(1, 42019968380), (2, 21009984190), (4, 10504992095), (5, 8403993676), (10, 4201996838), (13, 3232305260), (20, 2100998419), (26, 1616152630), (52, 808076315), (65, 646461052), (130, 323230526), (199, 211155620), (260, 161615263), (398, 105577810), (796, 52788905), (995, 42231124), (1990, 21115562), (2587, 16242740), (3980, 10557781), (5174, 8121370), (10348, 4060685), (12935, 3248548), (25870, 1624274), (51740, 812137)]