4037562280

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{313}}^1\times {\mathrm{1637}}^1$

素因数の和:2158

約数の個数: 64

約数和(自身を含む): 9165396240

約数和(自身を除く): 5127833960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 313, 394, 626, 788, 985, 1252, 1565, 1576, 1637, 1970, 2504, 3130, 3274, 3940, 6260, 6548, 7880, 8185, 12520, 13096, 16370, 32740, 61661, 65480, 123322, 246644, 308305, 322489, 493288, 512381, 616610, 644978, 1024762, 1233220, 1289956, 1612445, 2049524, 2466440, 2561905, 2579912, 3224890, 4099048, 5123810, 6449780, 10247620, 12899560, 20495240, 100939057, 201878114, 403756228, 504695285, 807512456, 1009390570, 2018781140, 4037562280]

約数ペア:

[(1, 4037562280), (2, 2018781140), (4, 1009390570), (5, 807512456), (8, 504695285), (10, 403756228), (20, 201878114), (40, 100939057), (197, 20495240), (313, 12899560), (394, 10247620), (626, 6449780), (788, 5123810), (985, 4099048), (1252, 3224890), (1565, 2579912), (1576, 2561905), (1637, 2466440), (1970, 2049524), (2504, 1612445), (3130, 1289956), (3274, 1233220), (3940, 1024762), (6260, 644978), (6548, 616610), (7880, 512381), (8185, 493288), (12520, 322489), (13096, 308305), (16370, 246644), (32740, 123322), (61661, 65480)]