20177524240

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{941}}^1\times {\mathrm{14107}}^1$

素因数の和:15080

約数の個数: 80

約数和(自身を含む): 49437817920

約数和(自身を除く): 29260293680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 941, 1520, 1882, 3764, 4705, 7528, 9410, 14107, 15056, 17879, 18820, 28214, 35758, 37640, 56428, 70535, 71516, 75280, 89395, 112856, 141070, 143032, 178790, 225712, 268033, 282140, 286064, 357580, 536066, 564280, 715160, 1072132, 1128560, 1340165, 1430320, 2144264, 2680330, 4288528, 5360660, 10721320, 13274687, 21442640, 26549374, 53098748, 66373435, 106197496, 132746870, 212394992, 252219053, 265493740, 504438106, 530987480, 1008876212, 1061974960, 1261095265, 2017752424, 2522190530, 4035504848, 5044381060, 10088762120, 20177524240]

約数ペア:

[(1, 20177524240), (2, 10088762120), (4, 5044381060), (5, 4035504848), (8, 2522190530), (10, 2017752424), (16, 1261095265), (19, 1061974960), (20, 1008876212), (38, 530987480), (40, 504438106), (76, 265493740), (80, 252219053), (95, 212394992), (152, 132746870), (190, 106197496), (304, 66373435), (380, 53098748), (760, 26549374), (941, 21442640), (1520, 13274687), (1882, 10721320), (3764, 5360660), (4705, 4288528), (7528, 2680330), (9410, 2144264), (14107, 1430320), (15056, 1340165), (17879, 1128560), (18820, 1072132), (28214, 715160), (35758, 564280), (37640, 536066), (56428, 357580), (70535, 286064), (71516, 282140), (75280, 268033), (89395, 225712), (112856, 178790), (141070, 143032)]