401026480

素因数分解:

$2^4\times 5^1\times {\mathrm{5012831}}^1$

素因数の和:5012844

約数の個数: 20

約数和(自身を含む): 932386752

約数和(自身を除く): 531360272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 5012831, 10025662, 20051324, 25064155, 40102648, 50128310, 80205296, 100256620, 200513240, 401026480]

約数ペア:

[(1, 401026480), (2, 200513240), (4, 100256620), (5, 80205296), (8, 50128310), (10, 40102648), (16, 25064155), (20, 20051324), (40, 10025662), (80, 5012831)]