20176875280

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{164093}}^1$

素因数の和:164188

約数の個数: 80

約数和(自身を含む): 49444804080

約数和(自身を除く): 29267928800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 53, 58, 80, 106, 116, 145, 212, 232, 265, 290, 424, 464, 530, 580, 848, 1060, 1160, 1537, 2120, 2320, 3074, 4240, 6148, 7685, 12296, 15370, 24592, 30740, 61480, 122960, 164093, 328186, 656372, 820465, 1312744, 1640930, 2625488, 3281860, 4758697, 6563720, 8696929, 9517394, 13127440, 17393858, 19034788, 23793485, 34787716, 38069576, 43484645, 47586970, 69575432, 76139152, 86969290, 95173940, 139150864, 173938580, 190347880, 252210941, 347877160, 380695760, 504421882, 695754320, 1008843764, 1261054705, 2017687528, 2522109410, 4035375056, 5044218820, 10088437640, 20176875280]

約数ペア:

[(1, 20176875280), (2, 10088437640), (4, 5044218820), (5, 4035375056), (8, 2522109410), (10, 2017687528), (16, 1261054705), (20, 1008843764), (29, 695754320), (40, 504421882), (53, 380695760), (58, 347877160), (80, 252210941), (106, 190347880), (116, 173938580), (145, 139150864), (212, 95173940), (232, 86969290), (265, 76139152), (290, 69575432), (424, 47586970), (464, 43484645), (530, 38069576), (580, 34787716), (848, 23793485), (1060, 19034788), (1160, 17393858), (1537, 13127440), (2120, 9517394), (2320, 8696929), (3074, 6563720), (4240, 4758697), (6148, 3281860), (7685, 2625488), (12296, 1640930), (15370, 1312744), (24592, 820465), (30740, 656372), (61480, 328186), (122960, 164093)]