12417920

素因数分解:

$2^7\times 5^1\times {\mathrm{19403}}^1$

素因数の和:19422

約数の個数: 32

約数和(自身を含む): 29688120

約数和(自身を除く): 17270200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 19403, 38806, 77612, 97015, 155224, 194030, 310448, 388060, 620896, 776120, 1241792, 1552240, 2483584, 3104480, 6208960, 12417920]

約数ペア:

[(1, 12417920), (2, 6208960), (4, 3104480), (5, 2483584), (8, 1552240), (10, 1241792), (16, 776120), (20, 620896), (32, 388060), (40, 310448), (64, 194030), (80, 155224), (128, 97015), (160, 77612), (320, 38806), (640, 19403)]