80515616

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{877}}^1$

素因数の和:1057

約数の個数: 48

約数和(自身を含む): 168154560

約数和(自身を除く): 87638944

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 151, 152, 302, 304, 604, 608, 877, 1208, 1754, 2416, 2869, 3508, 4832, 5738, 7016, 11476, 14032, 16663, 22952, 28064, 33326, 45904, 66652, 91808, 132427, 133304, 264854, 266608, 529708, 533216, 1059416, 2118832, 2516113, 4237664, 5032226, 10064452, 20128904, 40257808, 80515616]

約数ペア:

[(1, 80515616), (2, 40257808), (4, 20128904), (8, 10064452), (16, 5032226), (19, 4237664), (32, 2516113), (38, 2118832), (76, 1059416), (151, 533216), (152, 529708), (302, 266608), (304, 264854), (604, 133304), (608, 132427), (877, 91808), (1208, 66652), (1754, 45904), (2416, 33326), (2869, 28064), (3508, 22952), (4832, 16663), (5738, 14032), (7016, 11476)]