88908520

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{51691}}^1$

素因数の和:51745

約数の個数: 32

約数和(自身を含む): 204700320

約数和(自身を除く): 115791800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 51691, 103382, 206764, 258455, 413528, 516910, 1033820, 2067640, 2222713, 4445426, 8890852, 11113565, 17781704, 22227130, 44454260, 88908520]

約数ペア:

[(1, 88908520), (2, 44454260), (4, 22227130), (5, 17781704), (8, 11113565), (10, 8890852), (20, 4445426), (40, 2222713), (43, 2067640), (86, 1033820), (172, 516910), (215, 413528), (344, 258455), (430, 206764), (860, 103382), (1720, 51691)]