2017521320

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{15601}}^1$

素因数の和:15726

約数の個数: 64

約数和(自身を含む): 4701194640

約数和(自身を除く): 2683673320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 61, 106, 122, 212, 244, 265, 305, 424, 488, 530, 610, 1060, 1220, 2120, 2440, 3233, 6466, 12932, 15601, 16165, 25864, 31202, 32330, 62404, 64660, 78005, 124808, 129320, 156010, 312020, 624040, 826853, 951661, 1653706, 1903322, 3307412, 3806644, 4134265, 4758305, 6614824, 7613288, 8268530, 9516610, 16537060, 19033220, 33074120, 38066440, 50438033, 100876066, 201752132, 252190165, 403504264, 504380330, 1008760660, 2017521320]

約数ペア:

[(1, 2017521320), (2, 1008760660), (4, 504380330), (5, 403504264), (8, 252190165), (10, 201752132), (20, 100876066), (40, 50438033), (53, 38066440), (61, 33074120), (106, 19033220), (122, 16537060), (212, 9516610), (244, 8268530), (265, 7613288), (305, 6614824), (424, 4758305), (488, 4134265), (530, 3806644), (610, 3307412), (1060, 1903322), (1220, 1653706), (2120, 951661), (2440, 826853), (3233, 624040), (6466, 312020), (12932, 156010), (15601, 129320), (16165, 124808), (25864, 78005), (31202, 64660), (32330, 62404)]