17990480

素因数分解:

$2^4\times 5^1\times {\mathrm{224881}}^1$

素因数の和:224894

約数の個数: 20

約数和(自身を含む): 41828052

約数和(自身を除く): 23837572

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 224881, 449762, 899524, 1124405, 1799048, 2248810, 3598096, 4497620, 8995240, 17990480]

約数ペア:

[(1, 17990480), (2, 8995240), (4, 4497620), (5, 3598096), (8, 2248810), (10, 1799048), (16, 1124405), (20, 899524), (40, 449762), (80, 224881)]