42720008

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{87541}}^1$

素因数の和:87608

約数の個数: 16

約数和(自身を含む): 81414060

約数和(自身を除く): 38694052

約数列:

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

約数ペア:

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