81489400

素因数分解:

$2^3\times 5^2\times {\mathrm{83}}^1\times {\mathrm{4909}}^1$

素因数の和:5008

約数の個数: 48

約数和(自身を含む): 191784600

約数和(自身を除く): 110295200

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 83, 100, 166, 200, 332, 415, 664, 830, 1660, 2075, 3320, 4150, 4909, 8300, 9818, 16600, 19636, 24545, 39272, 49090, 98180, 122725, 196360, 245450, 407447, 490900, 814894, 981800, 1629788, 2037235, 3259576, 4074470, 8148940, 10186175, 16297880, 20372350, 40744700, 81489400]

約数ペア:

[(1, 81489400), (2, 40744700), (4, 20372350), (5, 16297880), (8, 10186175), (10, 8148940), (20, 4074470), (25, 3259576), (40, 2037235), (50, 1629788), (83, 981800), (100, 814894), (166, 490900), (200, 407447), (332, 245450), (415, 196360), (664, 122725), (830, 98180), (1660, 49090), (2075, 39272), (3320, 24545), (4150, 19636), (4909, 16600), (8300, 9818)]