71144800

素因数分解:

$2^5\times 5^2\times {\mathrm{113}}^1\times {\mathrm{787}}^1$

素因数の和:920

約数の個数: 72

約数和(自身を含む): 175441896

約数和(自身を除く): 104297096

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 113, 160, 200, 226, 400, 452, 565, 787, 800, 904, 1130, 1574, 1808, 2260, 2825, 3148, 3616, 3935, 4520, 5650, 6296, 7870, 9040, 11300, 12592, 15740, 18080, 19675, 22600, 25184, 31480, 39350, 45200, 62960, 78700, 88931, 90400, 125920, 157400, 177862, 314800, 355724, 444655, 629600, 711448, 889310, 1422896, 1778620, 2223275, 2845792, 3557240, 4446550, 7114480, 8893100, 14228960, 17786200, 35572400, 71144800]

約数ペア:

[(1, 71144800), (2, 35572400), (4, 17786200), (5, 14228960), (8, 8893100), (10, 7114480), (16, 4446550), (20, 3557240), (25, 2845792), (32, 2223275), (40, 1778620), (50, 1422896), (80, 889310), (100, 711448), (113, 629600), (160, 444655), (200, 355724), (226, 314800), (400, 177862), (452, 157400), (565, 125920), (787, 90400), (800, 88931), (904, 78700), (1130, 62960), (1574, 45200), (1808, 39350), (2260, 31480), (2825, 25184), (3148, 22600), (3616, 19675), (3935, 18080), (4520, 15740), (5650, 12592), (6296, 11300), (7870, 9040)]