40991024

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{41999}}^1$

素因数の和:42068

約数の個数: 20

約数和(自身を含む): 80724000

約数和(自身を除く): 39732976

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 41999, 83998, 167996, 335992, 671984, 2561939, 5123878, 10247756, 20495512, 40991024]

約数ペア:

[(1, 40991024), (2, 20495512), (4, 10247756), (8, 5123878), (16, 2561939), (61, 671984), (122, 335992), (244, 167996), (488, 83998), (976, 41999)]