71884640

素因数分解:

$2^5\times 5^1\times {\mathrm{83}}^1\times {\mathrm{5413}}^1$

素因数の和:5511

約数の個数: 48

約数和(自身を含む): 171905328

約数和(自身を除く): 100020688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 83, 160, 166, 332, 415, 664, 830, 1328, 1660, 2656, 3320, 5413, 6640, 10826, 13280, 21652, 27065, 43304, 54130, 86608, 108260, 173216, 216520, 433040, 449279, 866080, 898558, 1797116, 2246395, 3594232, 4492790, 7188464, 8985580, 14376928, 17971160, 35942320, 71884640]

約数ペア:

[(1, 71884640), (2, 35942320), (4, 17971160), (5, 14376928), (8, 8985580), (10, 7188464), (16, 4492790), (20, 3594232), (32, 2246395), (40, 1797116), (80, 898558), (83, 866080), (160, 449279), (166, 433040), (332, 216520), (415, 173216), (664, 108260), (830, 86608), (1328, 54130), (1660, 43304), (2656, 27065), (3320, 21652), (5413, 13280), (6640, 10826)]