25688560

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{3001}}^1$

素因数の和:3121

約数の個数: 40

約数和(自身を含む): 60304176

約数和(自身を除く): 34615616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 535, 856, 1070, 1712, 2140, 3001, 4280, 6002, 8560, 12004, 15005, 24008, 30010, 48016, 60020, 120040, 240080, 321107, 642214, 1284428, 1605535, 2568856, 3211070, 5137712, 6422140, 12844280, 25688560]

約数ペア:

[(1, 25688560), (2, 12844280), (4, 6422140), (5, 5137712), (8, 3211070), (10, 2568856), (16, 1605535), (20, 1284428), (40, 642214), (80, 321107), (107, 240080), (214, 120040), (428, 60020), (535, 48016), (856, 30010), (1070, 24008), (1712, 15005), (2140, 12004), (3001, 8560), (4280, 6002)]