127721000720

素因数分解:

$2^4\times 5^1\times {\mathrm{7489}}^1\times {\mathrm{213181}}^1$

素因数の和:220683

約数の個数: 40

約数和(自身を含む): 296992371480

約数和(自身を除く): 169271370760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 7489, 14978, 29956, 37445, 59912, 74890, 119824, 149780, 213181, 299560, 426362, 599120, 852724, 1065905, 1705448, 2131810, 3410896, 4263620, 8527240, 17054480, 1596512509, 3193025018, 6386050036, 7982562545, 12772100072, 15965125090, 25544200144, 31930250180, 63860500360, 127721000720]

約数ペア:

[(1, 127721000720), (2, 63860500360), (4, 31930250180), (5, 25544200144), (8, 15965125090), (10, 12772100072), (16, 7982562545), (20, 6386050036), (40, 3193025018), (80, 1596512509), (7489, 17054480), (14978, 8527240), (29956, 4263620), (37445, 3410896), (59912, 2131810), (74890, 1705448), (119824, 1065905), (149780, 852724), (213181, 599120), (299560, 426362)]