215426480

素因数分解:

$2^4\times 5^1\times {\mathrm{2692831}}^1$

素因数の和:2692844

約数の個数: 20

約数和(自身を含む): 500866752

約数和(自身を除く): 285440272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2692831, 5385662, 10771324, 13464155, 21542648, 26928310, 43085296, 53856620, 107713240, 215426480]

約数ペア:

[(1, 215426480), (2, 107713240), (4, 53856620), (5, 43085296), (8, 26928310), (10, 21542648), (16, 13464155), (20, 10771324), (40, 5385662), (80, 2692831)]