40802480

素因数分解:

$2^4\times 5^1\times {\mathrm{510031}}^1$

素因数の和:510044

約数の個数: 20

約数和(自身を含む): 94865952

約数和(自身を除く): 54063472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 510031, 1020062, 2040124, 2550155, 4080248, 5100310, 8160496, 10200620, 20401240, 40802480]

約数ペア:

[(1, 40802480), (2, 20401240), (4, 10200620), (5, 8160496), (8, 5100310), (10, 4080248), (16, 2550155), (20, 2040124), (40, 1020062), (80, 510031)]