25984040

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15107}}^1$

素因数の和:15161

約数の個数: 32

約数和(自身を含む): 59827680

約数和(自身を除く): 33843640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 15107, 30214, 60428, 75535, 120856, 151070, 302140, 604280, 649601, 1299202, 2598404, 3248005, 5196808, 6496010, 12992020, 25984040]

約数ペア:

[(1, 25984040), (2, 12992020), (4, 6496010), (5, 5196808), (8, 3248005), (10, 2598404), (20, 1299202), (40, 649601), (43, 604280), (86, 302140), (172, 151070), (215, 120856), (344, 75535), (430, 60428), (860, 30214), (1720, 15107)]