7245440

素因数分解:

$2^7\times 5^1\times {\mathrm{11321}}^1$

素因数の和:11340

約数の個数: 32

約数和(自身を含む): 17322660

約数和(自身を除く): 10077220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 11321, 22642, 45284, 56605, 90568, 113210, 181136, 226420, 362272, 452840, 724544, 905680, 1449088, 1811360, 3622720, 7245440]

約数ペア:

[(1, 7245440), (2, 3622720), (4, 1811360), (5, 1449088), (8, 905680), (10, 724544), (16, 452840), (20, 362272), (32, 226420), (40, 181136), (64, 113210), (80, 90568), (128, 56605), (160, 45284), (320, 22642), (640, 11321)]