85440016

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{87541}}^1$

素因数の和:87610

約数の個数: 20

約数和(自身を含む): 168255724

約数和(自身を除く): 82815708

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 87541, 175082, 350164, 700328, 1400656, 5340001, 10680002, 21360004, 42720008, 85440016]

約数ペア:

[(1, 85440016), (2, 42720008), (4, 21360004), (8, 10680002), (16, 5340001), (61, 1400656), (122, 700328), (244, 350164), (488, 175082), (976, 87541)]