55725440

素因数分解:

$2^7\times 5^1\times {\mathrm{87071}}^1$

素因数の和:87090

約数の個数: 32

約数和(自身を含む): 133220160

約数和(自身を除く): 77494720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 87071, 174142, 348284, 435355, 696568, 870710, 1393136, 1741420, 2786272, 3482840, 5572544, 6965680, 11145088, 13931360, 27862720, 55725440]

約数ペア:

[(1, 55725440), (2, 27862720), (4, 13931360), (5, 11145088), (8, 6965680), (10, 5572544), (16, 3482840), (20, 2786272), (32, 1741420), (40, 1393136), (64, 870710), (80, 696568), (128, 435355), (160, 348284), (320, 174142), (640, 87071)]