28410160

素因数分解:

$2^4\times 5^1\times {\mathrm{355127}}^1$

素因数の和:355140

約数の個数: 20

約数和(自身を含む): 66053808

約数和(自身を除く): 37643648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 355127, 710254, 1420508, 1775635, 2841016, 3551270, 5682032, 7102540, 14205080, 28410160]

約数ペア:

[(1, 28410160), (2, 14205080), (4, 7102540), (5, 5682032), (8, 3551270), (10, 2841016), (16, 1775635), (20, 1420508), (40, 710254), (80, 355127)]