38894360

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{22613}}^1$

素因数の和:22667

約数の個数: 32

約数和(自身を含む): 89551440

約数和(自身を除く): 50657080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 22613, 45226, 90452, 113065, 180904, 226130, 452260, 904520, 972359, 1944718, 3889436, 4861795, 7778872, 9723590, 19447180, 38894360]

約数ペア:

[(1, 38894360), (2, 19447180), (4, 9723590), (5, 7778872), (8, 4861795), (10, 3889436), (20, 1944718), (40, 972359), (43, 904520), (86, 452260), (172, 226130), (215, 180904), (344, 113065), (430, 90452), (860, 45226), (1720, 22613)]