202115940280

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{625591}}^1$

素因数の和:625840

約数の個数: 64

約数和(自身を含む): 468218076480

約数和(自身を除く): 266102136200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 197, 205, 328, 394, 410, 788, 820, 985, 1576, 1640, 1970, 3940, 7880, 8077, 16154, 32308, 40385, 64616, 80770, 161540, 323080, 625591, 1251182, 2502364, 3127955, 5004728, 6255910, 12511820, 25023640, 25649231, 51298462, 102596924, 123241427, 128246155, 205193848, 246482854, 256492310, 492965708, 512984620, 616207135, 985931416, 1025969240, 1232414270, 2464828540, 4929657080, 5052898507, 10105797014, 20211594028, 25264492535, 40423188056, 50528985070, 101057970140, 202115940280]

約数ペア:

[(1, 202115940280), (2, 101057970140), (4, 50528985070), (5, 40423188056), (8, 25264492535), (10, 20211594028), (20, 10105797014), (40, 5052898507), (41, 4929657080), (82, 2464828540), (164, 1232414270), (197, 1025969240), (205, 985931416), (328, 616207135), (394, 512984620), (410, 492965708), (788, 256492310), (820, 246482854), (985, 205193848), (1576, 128246155), (1640, 123241427), (1970, 102596924), (3940, 51298462), (7880, 25649231), (8077, 25023640), (16154, 12511820), (32308, 6255910), (40385, 5004728), (64616, 3127955), (80770, 2502364), (161540, 1251182), (323080, 625591)]