201331840

素因数分解:

$2^7\times 5^1\times {\mathrm{314581}}^1$

素因数の和:314600

約数の個数: 32

約数和(自身を含む): 481310460

約数和(自身を除く): 279978620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 314581, 629162, 1258324, 1572905, 2516648, 3145810, 5033296, 6291620, 10066592, 12583240, 20133184, 25166480, 40266368, 50332960, 100665920, 201331840]

約数ペア:

[(1, 201331840), (2, 100665920), (4, 50332960), (5, 40266368), (8, 25166480), (10, 20133184), (16, 12583240), (20, 10066592), (32, 6291620), (40, 5033296), (64, 3145810), (80, 2516648), (128, 1572905), (160, 1258324), (320, 629162), (640, 314581)]