64185380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{12391}}^1$

素因数の和:12444

約数の個数: 48

約数和(自身を含む): 158221056

約数和(自身を除く): 94035676

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 12391, 24782, 49564, 61955, 86737, 123910, 173474, 247820, 346948, 433685, 458467, 867370, 916934, 1734740, 1833868, 2292335, 3209269, 4584670, 6418538, 9169340, 12837076, 16046345, 32092690, 64185380]

約数ペア:

[(1, 64185380), (2, 32092690), (4, 16046345), (5, 12837076), (7, 9169340), (10, 6418538), (14, 4584670), (20, 3209269), (28, 2292335), (35, 1833868), (37, 1734740), (70, 916934), (74, 867370), (140, 458467), (148, 433685), (185, 346948), (259, 247820), (370, 173474), (518, 123910), (740, 86737), (1036, 61955), (1295, 49564), (2590, 24782), (5180, 12391)]