103712720

素因数分解:

$2^4\times 5^1\times {\mathrm{1296409}}^1$

素因数の和:1296422

約数の個数: 20

約数和(自身を含む): 241132260

約数和(自身を除く): 137419540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1296409, 2592818, 5185636, 6482045, 10371272, 12964090, 20742544, 25928180, 51856360, 103712720]

約数ペア:

[(1, 103712720), (2, 51856360), (4, 25928180), (5, 20742544), (8, 12964090), (10, 10371272), (16, 6482045), (20, 5185636), (40, 2592818), (80, 1296409)]