1613440

素因数分解:

$2^7\times 5^1\times {\mathrm{2521}}^1$

素因数の和:2540

約数の個数: 32

約数和(自身を含む): 3858660

約数和(自身を除く): 2245220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 2521, 5042, 10084, 12605, 20168, 25210, 40336, 50420, 80672, 100840, 161344, 201680, 322688, 403360, 806720, 1613440]

約数ペア:

[(1, 1613440), (2, 806720), (4, 403360), (5, 322688), (8, 201680), (10, 161344), (16, 100840), (20, 80672), (32, 50420), (40, 40336), (64, 25210), (80, 20168), (128, 12605), (160, 10084), (320, 5042), (640, 2521)]