25467790

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{431}}^1$

素因数の和:768

約数の個数: 32

約数和(自身を含む): 48522240

約数和(自身を除く): 23054450

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 311, 431, 622, 862, 1555, 2155, 3110, 4310, 5909, 8189, 11818, 16378, 29545, 40945, 59090, 81890, 134041, 268082, 670205, 1340410, 2546779, 5093558, 12733895, 25467790]

約数ペア:

[(1, 25467790), (2, 12733895), (5, 5093558), (10, 2546779), (19, 1340410), (38, 670205), (95, 268082), (190, 134041), (311, 81890), (431, 59090), (622, 40945), (862, 29545), (1555, 16378), (2155, 11818), (3110, 8189), (4310, 5909)]