11820040

素因数分解:

$2^3\times 5^1\times {\mathrm{461}}^1\times {\mathrm{641}}^1$

素因数の和:1113

約数の個数: 32

約数和(自身を含む): 26694360

約数和(自身を除く): 14874320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 461, 641, 922, 1282, 1844, 2305, 2564, 3205, 3688, 4610, 5128, 6410, 9220, 12820, 18440, 25640, 295501, 591002, 1182004, 1477505, 2364008, 2955010, 5910020, 11820040]

約数ペア:

[(1, 11820040), (2, 5910020), (4, 2955010), (5, 2364008), (8, 1477505), (10, 1182004), (20, 591002), (40, 295501), (461, 25640), (641, 18440), (922, 12820), (1282, 9220), (1844, 6410), (2305, 5128), (2564, 4610), (3205, 3688)]