72038540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{514561}}^1$

素因数の和:514577

約数の個数: 24

約数和(自身を含む): 172892832

約数和(自身を除く): 100854292

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 514561, 1029122, 2058244, 2572805, 3601927, 5145610, 7203854, 10291220, 14407708, 18009635, 36019270, 72038540]

約数ペア:

[(1, 72038540), (2, 36019270), (4, 18009635), (5, 14407708), (7, 10291220), (10, 7203854), (14, 5145610), (20, 3601927), (28, 2572805), (35, 2058244), (70, 1029122), (140, 514561)]