252565120

素因数分解:

$2^7\times 5^1\times {\mathrm{394633}}^1$

素因数の和:394652

約数の個数: 32

約数和(自身を含む): 603790020

約数和(自身を除く): 351224900

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 394633, 789266, 1578532, 1973165, 3157064, 3946330, 6314128, 7892660, 12628256, 15785320, 25256512, 31570640, 50513024, 63141280, 126282560, 252565120]

約数ペア:

[(1, 252565120), (2, 126282560), (4, 63141280), (5, 50513024), (8, 31570640), (10, 25256512), (16, 15785320), (20, 12628256), (32, 7892660), (40, 6314128), (64, 3946330), (80, 3157064), (128, 1973165), (160, 1578532), (320, 789266), (640, 394633)]