42168620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{2053}}^1$

素因数の和:2154

約数の個数: 48

約数和(自身を含む): 96620160

約数和(自身を除く): 54451540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 260, 316, 395, 790, 1027, 1580, 2053, 2054, 4106, 4108, 5135, 8212, 10265, 10270, 20530, 20540, 26689, 41060, 53378, 106756, 133445, 162187, 266890, 324374, 533780, 648748, 810935, 1621870, 2108431, 3243740, 4216862, 8433724, 10542155, 21084310, 42168620]

約数ペア:

[(1, 42168620), (2, 21084310), (4, 10542155), (5, 8433724), (10, 4216862), (13, 3243740), (20, 2108431), (26, 1621870), (52, 810935), (65, 648748), (79, 533780), (130, 324374), (158, 266890), (260, 162187), (316, 133445), (395, 106756), (790, 53378), (1027, 41060), (1580, 26689), (2053, 20540), (2054, 20530), (4106, 10270), (4108, 10265), (5135, 8212)]