82386980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{4463}}^1$

素因数の和:4556

約数の個数: 48

約数和(自身を含む): 188987904

約数和(自身を除く): 106600924

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1420, 1846, 3692, 4463, 4615, 8926, 9230, 17852, 18460, 22315, 44630, 58019, 89260, 116038, 232076, 290095, 316873, 580190, 633746, 1160380, 1267492, 1584365, 3168730, 4119349, 6337460, 8238698, 16477396, 20596745, 41193490, 82386980]

約数ペア:

[(1, 82386980), (2, 41193490), (4, 20596745), (5, 16477396), (10, 8238698), (13, 6337460), (20, 4119349), (26, 3168730), (52, 1584365), (65, 1267492), (71, 1160380), (130, 633746), (142, 580190), (260, 316873), (284, 290095), (355, 232076), (710, 116038), (923, 89260), (1420, 58019), (1846, 44630), (3692, 22315), (4463, 18460), (4615, 17852), (8926, 9230)]