88961720

素因数分解:

$2^3\times 5^1\times {\mathrm{499}}^1\times {\mathrm{4457}}^1$

素因数の和:4967

約数の個数: 32

約数和(自身を含む): 200610000

約数和(自身を除く): 111648280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 499, 998, 1996, 2495, 3992, 4457, 4990, 8914, 9980, 17828, 19960, 22285, 35656, 44570, 89140, 178280, 2224043, 4448086, 8896172, 11120215, 17792344, 22240430, 44480860, 88961720]

約数ペア:

[(1, 88961720), (2, 44480860), (4, 22240430), (5, 17792344), (8, 11120215), (10, 8896172), (20, 4448086), (40, 2224043), (499, 178280), (998, 89140), (1996, 44570), (2495, 35656), (3992, 22285), (4457, 19960), (4990, 17828), (8914, 9980)]