20161307560

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{195893}}^1$

素因数の和:196018

約数の個数: 64

約数和(自身を含む): 47390676480

約数和(自身を除く): 27229368920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 83, 124, 155, 166, 248, 310, 332, 415, 620, 664, 830, 1240, 1660, 2573, 3320, 5146, 10292, 12865, 20584, 25730, 51460, 102920, 195893, 391786, 783572, 979465, 1567144, 1958930, 3917860, 6072683, 7835720, 12145366, 16259119, 24290732, 30363415, 32518238, 48581464, 60726830, 65036476, 81295595, 121453660, 130072952, 162591190, 242907320, 325182380, 504032689, 650364760, 1008065378, 2016130756, 2520163445, 4032261512, 5040326890, 10080653780, 20161307560]

約数ペア:

[(1, 20161307560), (2, 10080653780), (4, 5040326890), (5, 4032261512), (8, 2520163445), (10, 2016130756), (20, 1008065378), (31, 650364760), (40, 504032689), (62, 325182380), (83, 242907320), (124, 162591190), (155, 130072952), (166, 121453660), (248, 81295595), (310, 65036476), (332, 60726830), (415, 48581464), (620, 32518238), (664, 30363415), (830, 24290732), (1240, 16259119), (1660, 12145366), (2573, 7835720), (3320, 6072683), (5146, 3917860), (10292, 1958930), (12865, 1567144), (20584, 979465), (25730, 783572), (51460, 391786), (102920, 195893)]