201816640

素因数分解:

$2^6\times 5^1\times {\mathrm{630677}}^1$

素因数の和:630694

約数の個数: 28

約数和(自身を含む): 480576636

約数和(自身を除く): 278759996

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 630677, 1261354, 2522708, 3153385, 5045416, 6306770, 10090832, 12613540, 20181664, 25227080, 40363328, 50454160, 100908320, 201816640]

約数ペア:

[(1, 201816640), (2, 100908320), (4, 50454160), (5, 40363328), (8, 25227080), (10, 20181664), (16, 12613540), (20, 10090832), (32, 6306770), (40, 5045416), (64, 3153385), (80, 2522708), (160, 1261354), (320, 630677)]