4382440

素因数分解:

$2^3\times 5^1\times {\mathrm{331}}^2$

素因数の和:673

約数の個数: 24

約数和(自身を含む): 9890370

約数和(自身を除く): 5507930

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 331, 662, 1324, 1655, 2648, 3310, 6620, 13240, 109561, 219122, 438244, 547805, 876488, 1095610, 2191220, 4382440]

約数ペア:

[(1, 4382440), (2, 2191220), (4, 1095610), (5, 876488), (8, 547805), (10, 438244), (20, 219122), (40, 109561), (331, 13240), (662, 6620), (1324, 3310), (1655, 2648)]