85365320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1601}}^1$

素因数の和:1686

約数の個数: 64

約数和(自身を含む): 203005440

約数和(自身を除く): 117640120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 43, 62, 86, 124, 155, 172, 215, 248, 310, 344, 430, 620, 860, 1240, 1333, 1601, 1720, 2666, 3202, 5332, 6404, 6665, 8005, 10664, 12808, 13330, 16010, 26660, 32020, 49631, 53320, 64040, 68843, 99262, 137686, 198524, 248155, 275372, 344215, 397048, 496310, 550744, 688430, 992620, 1376860, 1985240, 2134133, 2753720, 4268266, 8536532, 10670665, 17073064, 21341330, 42682660, 85365320]

約数ペア:

[(1, 85365320), (2, 42682660), (4, 21341330), (5, 17073064), (8, 10670665), (10, 8536532), (20, 4268266), (31, 2753720), (40, 2134133), (43, 1985240), (62, 1376860), (86, 992620), (124, 688430), (155, 550744), (172, 496310), (215, 397048), (248, 344215), (310, 275372), (344, 248155), (430, 198524), (620, 137686), (860, 99262), (1240, 68843), (1333, 64040), (1601, 53320), (1720, 49631), (2666, 32020), (3202, 26660), (5332, 16010), (6404, 13330), (6665, 12808), (8005, 10664)]