72650440

素因数分解:

$2^3\times 5^1\times {\mathrm{1816261}}^1$

素因数の和:1816272

約数の個数: 16

約数和(自身を含む): 163463580

約数和(自身を除く): 90813140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1816261, 3632522, 7265044, 9081305, 14530088, 18162610, 36325220, 72650440]

約数ペア:

[(1, 72650440), (2, 36325220), (4, 18162610), (5, 14530088), (8, 9081305), (10, 7265044), (20, 3632522), (40, 1816261)]