8889494020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1756817}}^1$

素因数の和:1756860

約数の個数: 48

約数和(自身を含む): 21250470528

約数和(自身を除く): 12360976508

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 220, 230, 253, 460, 506, 1012, 1265, 2530, 5060, 1756817, 3513634, 7027268, 8784085, 17568170, 19324987, 35136340, 38649974, 40406791, 77299948, 80813582, 96624935, 161627164, 193249870, 202033955, 386499740, 404067910, 444474701, 808135820, 888949402, 1777898804, 2222373505, 4444747010, 8889494020]

約数ペア:

[(1, 8889494020), (2, 4444747010), (4, 2222373505), (5, 1777898804), (10, 888949402), (11, 808135820), (20, 444474701), (22, 404067910), (23, 386499740), (44, 202033955), (46, 193249870), (55, 161627164), (92, 96624935), (110, 80813582), (115, 77299948), (220, 40406791), (230, 38649974), (253, 35136340), (460, 19324987), (506, 17568170), (1012, 8784085), (1265, 7027268), (2530, 3513634), (5060, 1756817)]