239266480

素因数分解:

$2^4\times 5^1\times {\mathrm{2990831}}^1$

素因数の和:2990844

約数の個数: 20

約数和(自身を含む): 556294752

約数和(自身を除く): 317028272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2990831, 5981662, 11963324, 14954155, 23926648, 29908310, 47853296, 59816620, 119633240, 239266480]

約数ペア:

[(1, 239266480), (2, 119633240), (4, 59816620), (5, 47853296), (8, 29908310), (10, 23926648), (16, 14954155), (20, 11963324), (40, 5981662), (80, 2990831)]