82605980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{769}}^1$

素因数の和:950

約数の個数: 48

約数和(自身を含む): 179292960

約数和(自身を除く): 96686980

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 131, 164, 205, 262, 410, 524, 655, 769, 820, 1310, 1538, 2620, 3076, 3845, 5371, 7690, 10742, 15380, 21484, 26855, 31529, 53710, 63058, 100739, 107420, 126116, 157645, 201478, 315290, 402956, 503695, 630580, 1007390, 2014780, 4130299, 8260598, 16521196, 20651495, 41302990, 82605980]

約数ペア:

[(1, 82605980), (2, 41302990), (4, 20651495), (5, 16521196), (10, 8260598), (20, 4130299), (41, 2014780), (82, 1007390), (131, 630580), (164, 503695), (205, 402956), (262, 315290), (410, 201478), (524, 157645), (655, 126116), (769, 107420), (820, 100739), (1310, 63058), (1538, 53710), (2620, 31529), (3076, 26855), (3845, 21484), (5371, 15380), (7690, 10742)]