9928960

素因数分解:

$2^8\times 5^1\times {\mathrm{7757}}^1$

素因数の和:7778

約数の個数: 36

約数和(自身を含む): 23786028

約数和(自身を除く): 13857068

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 7757, 15514, 31028, 38785, 62056, 77570, 124112, 155140, 248224, 310280, 496448, 620560, 992896, 1241120, 1985792, 2482240, 4964480, 9928960]

約数ペア:

[(1, 9928960), (2, 4964480), (4, 2482240), (5, 1985792), (8, 1241120), (10, 992896), (16, 620560), (20, 496448), (32, 310280), (40, 248224), (64, 155140), (80, 124112), (128, 77570), (160, 62056), (256, 38785), (320, 31028), (640, 15514), (1280, 7757)]