201975680

素因数分解:

$2^7\times 5^1\times {\mathrm{401}}^1\times {\mathrm{787}}^1$

素因数の和:1207

約数の個数: 64

約数和(自身を含む): 484667280

約数和(自身を除く): 282691600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 401, 640, 787, 802, 1574, 1604, 2005, 3148, 3208, 3935, 4010, 6296, 6416, 7870, 8020, 12592, 12832, 15740, 16040, 25184, 25664, 31480, 32080, 50368, 51328, 62960, 64160, 100736, 125920, 128320, 251840, 256640, 315587, 503680, 631174, 1262348, 1577935, 2524696, 3155870, 5049392, 6311740, 10098784, 12623480, 20197568, 25246960, 40395136, 50493920, 100987840, 201975680]

約数ペア:

[(1, 201975680), (2, 100987840), (4, 50493920), (5, 40395136), (8, 25246960), (10, 20197568), (16, 12623480), (20, 10098784), (32, 6311740), (40, 5049392), (64, 3155870), (80, 2524696), (128, 1577935), (160, 1262348), (320, 631174), (401, 503680), (640, 315587), (787, 256640), (802, 251840), (1574, 128320), (1604, 125920), (2005, 100736), (3148, 64160), (3208, 62960), (3935, 51328), (4010, 50368), (6296, 32080), (6416, 31480), (7870, 25664), (8020, 25184), (12592, 16040), (12832, 15740)]