64786510

素因数分解:

$2^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1\times {\mathrm{367}}^1$

素因数の和:640

約数の個数: 32

約数和(自身を含む): 118702080

約数和(自身を除く): 53915570

約数列:

[1, 2, 5, 10, 127, 139, 254, 278, 367, 635, 695, 734, 1270, 1390, 1835, 3670, 17653, 35306, 46609, 51013, 88265, 93218, 102026, 176530, 233045, 255065, 466090, 510130, 6478651, 12957302, 32393255, 64786510]

約数ペア:

[(1, 64786510), (2, 32393255), (5, 12957302), (10, 6478651), (127, 510130), (139, 466090), (254, 255065), (278, 233045), (367, 176530), (635, 102026), (695, 93218), (734, 88265), (1270, 51013), (1390, 46609), (1835, 35306), (3670, 17653)]