334385720

素因数分解:

$2^3\times 5^1\times {\mathrm{643}}^1\times {\mathrm{13001}}^1$

素因数の和:13655

約数の個数: 32

約数和(自身を含む): 753595920

約数和(自身を除く): 419210200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 643, 1286, 2572, 3215, 5144, 6430, 12860, 13001, 25720, 26002, 52004, 65005, 104008, 130010, 260020, 520040, 8359643, 16719286, 33438572, 41798215, 66877144, 83596430, 167192860, 334385720]

約数ペア:

[(1, 334385720), (2, 167192860), (4, 83596430), (5, 66877144), (8, 41798215), (10, 33438572), (20, 16719286), (40, 8359643), (643, 520040), (1286, 260020), (2572, 130010), (3215, 104008), (5144, 65005), (6430, 52004), (12860, 26002), (13001, 25720)]