64534000

素因数分解:

$2^4\times 5^3\times {\mathrm{41}}^1\times {\mathrm{787}}^1$

素因数の和:851

約数の個数: 80

約数和(自身を含む): 160052256

約数和(自身を除く): 95518256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 41, 50, 80, 82, 100, 125, 164, 200, 205, 250, 328, 400, 410, 500, 656, 787, 820, 1000, 1025, 1574, 1640, 2000, 2050, 3148, 3280, 3935, 4100, 5125, 6296, 7870, 8200, 10250, 12592, 15740, 16400, 19675, 20500, 31480, 32267, 39350, 41000, 62960, 64534, 78700, 82000, 98375, 129068, 157400, 161335, 196750, 258136, 314800, 322670, 393500, 516272, 645340, 787000, 806675, 1290680, 1574000, 1613350, 2581360, 3226700, 4033375, 6453400, 8066750, 12906800, 16133500, 32267000, 64534000]

約数ペア:

[(1, 64534000), (2, 32267000), (4, 16133500), (5, 12906800), (8, 8066750), (10, 6453400), (16, 4033375), (20, 3226700), (25, 2581360), (40, 1613350), (41, 1574000), (50, 1290680), (80, 806675), (82, 787000), (100, 645340), (125, 516272), (164, 393500), (200, 322670), (205, 314800), (250, 258136), (328, 196750), (400, 161335), (410, 157400), (500, 129068), (656, 98375), (787, 82000), (820, 78700), (1000, 64534), (1025, 62960), (1574, 41000), (1640, 39350), (2000, 32267), (2050, 31480), (3148, 20500), (3280, 19675), (3935, 16400), (4100, 15740), (5125, 12592), (6296, 10250), (7870, 8200)]