64022480

素因数分解:

$2^4\times 5^1\times {\mathrm{800281}}^1$

素因数の和:800294

約数の個数: 20

約数和(自身を含む): 148852452

約数和(自身を除く): 84829972

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 800281, 1600562, 3201124, 4001405, 6402248, 8002810, 12804496, 16005620, 32011240, 64022480]

約数ペア:

[(1, 64022480), (2, 32011240), (4, 16005620), (5, 12804496), (8, 8002810), (10, 6402248), (16, 4001405), (20, 3201124), (40, 1600562), (80, 800281)]