66957760

素因数分解:

$2^6\times 5^1\times {\mathrm{83}}^1\times {\mathrm{2521}}^1$

素因数の和:2621

約数の個数: 56

約数和(自身を含む): 161428176

約数和(自身を除く): 94470416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 83, 160, 166, 320, 332, 415, 664, 830, 1328, 1660, 2521, 2656, 3320, 5042, 5312, 6640, 10084, 12605, 13280, 20168, 25210, 26560, 40336, 50420, 80672, 100840, 161344, 201680, 209243, 403360, 418486, 806720, 836972, 1046215, 1673944, 2092430, 3347888, 4184860, 6695776, 8369720, 13391552, 16739440, 33478880, 66957760]

約数ペア:

[(1, 66957760), (2, 33478880), (4, 16739440), (5, 13391552), (8, 8369720), (10, 6695776), (16, 4184860), (20, 3347888), (32, 2092430), (40, 1673944), (64, 1046215), (80, 836972), (83, 806720), (160, 418486), (166, 403360), (320, 209243), (332, 201680), (415, 161344), (664, 100840), (830, 80672), (1328, 50420), (1660, 40336), (2521, 26560), (2656, 25210), (3320, 20168), (5042, 13280), (5312, 12605), (6640, 10084)]