39847220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{284623}}^1$

素因数の和:284639

約数の個数: 24

約数和(自身を含む): 95633664

約数和(自身を除く): 55786444

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 284623, 569246, 1138492, 1423115, 1992361, 2846230, 3984722, 5692460, 7969444, 9961805, 19923610, 39847220]

約数ペア:

[(1, 39847220), (2, 19923610), (4, 9961805), (5, 7969444), (7, 5692460), (10, 3984722), (14, 2846230), (20, 1992361), (28, 1423115), (35, 1138492), (70, 569246), (140, 284623)]