64878220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{10169}}^1$

素因数の和:10218

約数の個数: 48

約数和(自身を含む): 153770400

約数和(自身を除く): 88892180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 29, 44, 55, 58, 110, 116, 145, 220, 290, 319, 580, 638, 1276, 1595, 3190, 6380, 10169, 20338, 40676, 50845, 101690, 111859, 203380, 223718, 294901, 447436, 559295, 589802, 1118590, 1179604, 1474505, 2237180, 2949010, 3243911, 5898020, 6487822, 12975644, 16219555, 32439110, 64878220]

約数ペア:

[(1, 64878220), (2, 32439110), (4, 16219555), (5, 12975644), (10, 6487822), (11, 5898020), (20, 3243911), (22, 2949010), (29, 2237180), (44, 1474505), (55, 1179604), (58, 1118590), (110, 589802), (116, 559295), (145, 447436), (220, 294901), (290, 223718), (319, 203380), (580, 111859), (638, 101690), (1276, 50845), (1595, 40676), (3190, 20338), (6380, 10169)]