40890616

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{569}}^1\times {\mathrm{691}}^1$

素因数の和:1279

約数の個数: 32

約数和(自身を含む): 82832400

約数和(自身を除く): 41941784

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 569, 691, 1138, 1382, 2276, 2764, 4552, 5528, 7397, 8983, 14794, 17966, 29588, 35932, 59176, 71864, 393179, 786358, 1572716, 3145432, 5111327, 10222654, 20445308, 40890616]

約数ペア:

[(1, 40890616), (2, 20445308), (4, 10222654), (8, 5111327), (13, 3145432), (26, 1572716), (52, 786358), (104, 393179), (569, 71864), (691, 59176), (1138, 35932), (1382, 29588), (2276, 17966), (2764, 14794), (4552, 8983), (5528, 7397)]