793678820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{87991}}^1$

素因数の和:88052

約数の個数: 48

約数和(自身を含む): 1862614656

約数和(自身を除く): 1068935836

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1804, 2255, 4510, 9020, 87991, 175982, 351964, 439955, 879910, 967901, 1759820, 1935802, 3607631, 3871604, 4839505, 7215262, 9679010, 14430524, 18038155, 19358020, 36076310, 39683941, 72152620, 79367882, 158735764, 198419705, 396839410, 793678820]

約数ペア:

[(1, 793678820), (2, 396839410), (4, 198419705), (5, 158735764), (10, 79367882), (11, 72152620), (20, 39683941), (22, 36076310), (41, 19358020), (44, 18038155), (55, 14430524), (82, 9679010), (110, 7215262), (164, 4839505), (205, 3871604), (220, 3607631), (410, 1935802), (451, 1759820), (820, 967901), (902, 879910), (1804, 439955), (2255, 351964), (4510, 175982), (9020, 87991)]