78244240

素因数分解:

$2^4\times 5^1\times {\mathrm{978053}}^1$

素因数の和:978066

約数の個数: 20

約数和(自身を含む): 181918044

約数和(自身を除く): 103673804

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 978053, 1956106, 3912212, 4890265, 7824424, 9780530, 15648848, 19561060, 39122120, 78244240]

約数ペア:

[(1, 78244240), (2, 39122120), (4, 19561060), (5, 15648848), (8, 9780530), (10, 7824424), (16, 4890265), (20, 3912212), (40, 1956106), (80, 978053)]