449631760

素因数分解:

$2^4\times 5^1\times {\mathrm{5620397}}^1$

素因数の和:5620410

約数の個数: 20

約数和(自身を含む): 1045394028

約数和(自身を除く): 595762268

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 5620397, 11240794, 22481588, 28101985, 44963176, 56203970, 89926352, 112407940, 224815880, 449631760]

約数ペア:

[(1, 449631760), (2, 224815880), (4, 112407940), (5, 89926352), (8, 56203970), (10, 44963176), (16, 28101985), (20, 22481588), (40, 11240794), (80, 5620397)]