77968540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{3613}}^1$

素因数の和:3718

約数の個数: 48

約数和(自身を含む): 178502688

約数和(自身を除く): 100534148

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 83, 130, 166, 260, 332, 415, 830, 1079, 1660, 2158, 3613, 4316, 5395, 7226, 10790, 14452, 18065, 21580, 36130, 46969, 72260, 93938, 187876, 234845, 299879, 469690, 599758, 939380, 1199516, 1499395, 2998790, 3898427, 5997580, 7796854, 15593708, 19492135, 38984270, 77968540]

約数ペア:

[(1, 77968540), (2, 38984270), (4, 19492135), (5, 15593708), (10, 7796854), (13, 5997580), (20, 3898427), (26, 2998790), (52, 1499395), (65, 1199516), (83, 939380), (130, 599758), (166, 469690), (260, 299879), (332, 234845), (415, 187876), (830, 93938), (1079, 72260), (1660, 46969), (2158, 36130), (3613, 21580), (4316, 18065), (5395, 14452), (7226, 10790)]