7725440

素因数分解:

$2^7\times 5^1\times {\mathrm{12071}}^1$

素因数の和:12090

約数の個数: 32

約数和(自身を含む): 18470160

約数和(自身を除く): 10744720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 12071, 24142, 48284, 60355, 96568, 120710, 193136, 241420, 386272, 482840, 772544, 965680, 1545088, 1931360, 3862720, 7725440]

約数ペア:

[(1, 7725440), (2, 3862720), (4, 1931360), (5, 1545088), (8, 965680), (10, 772544), (16, 482840), (20, 386272), (32, 241420), (40, 193136), (64, 120710), (80, 96568), (128, 60355), (160, 48284), (320, 24142), (640, 12071)]