73584920

素因数分解:

$2^3\times 5^1\times {\mathrm{643}}^1\times {\mathrm{2861}}^1$

素因数の和:3515

約数の個数: 32

約数和(自身を含む): 165881520

約数和(自身を除く): 92296600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 643, 1286, 2572, 2861, 3215, 5144, 5722, 6430, 11444, 12860, 14305, 22888, 25720, 28610, 57220, 114440, 1839623, 3679246, 7358492, 9198115, 14716984, 18396230, 36792460, 73584920]

約数ペア:

[(1, 73584920), (2, 36792460), (4, 18396230), (5, 14716984), (8, 9198115), (10, 7358492), (20, 3679246), (40, 1839623), (643, 114440), (1286, 57220), (2572, 28610), (2861, 25720), (3215, 22888), (5144, 14305), (5722, 12860), (6430, 11444)]