402588880

素因数分解:

$2^4\times 5^1\times {\mathrm{5032361}}^1$

素因数の和:5032374

約数の個数: 20

約数和(自身を含む): 936019332

約数和(自身を除く): 533430452

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 5032361, 10064722, 20129444, 25161805, 40258888, 50323610, 80517776, 100647220, 201294440, 402588880]

約数ペア:

[(1, 402588880), (2, 201294440), (4, 100647220), (5, 80517776), (8, 50323610), (10, 40258888), (16, 25161805), (20, 20129444), (40, 10064722), (80, 5032361)]