89975320

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{661}}^1$

素因数の和:796

約数の個数: 64

約数和(自身を含む): 210198240

約数和(自身を除く): 120222920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 83, 164, 166, 205, 328, 332, 410, 415, 661, 664, 820, 830, 1322, 1640, 1660, 2644, 3305, 3320, 3403, 5288, 6610, 6806, 13220, 13612, 17015, 26440, 27101, 27224, 34030, 54202, 54863, 68060, 108404, 109726, 135505, 136120, 216808, 219452, 271010, 274315, 438904, 542020, 548630, 1084040, 1097260, 2194520, 2249383, 4498766, 8997532, 11246915, 17995064, 22493830, 44987660, 89975320]

約数ペア:

[(1, 89975320), (2, 44987660), (4, 22493830), (5, 17995064), (8, 11246915), (10, 8997532), (20, 4498766), (40, 2249383), (41, 2194520), (82, 1097260), (83, 1084040), (164, 548630), (166, 542020), (205, 438904), (328, 274315), (332, 271010), (410, 219452), (415, 216808), (661, 136120), (664, 135505), (820, 109726), (830, 108404), (1322, 68060), (1640, 54863), (1660, 54202), (2644, 34030), (3305, 27224), (3320, 27101), (3403, 26440), (5288, 17015), (6610, 13612), (6806, 13220)]