77886320

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{51241}}^1$

素因数の和:51273

約数の個数: 40

約数和(自身を含む): 190620240

約数和(自身を除く): 112733920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 51241, 102482, 204964, 256205, 409928, 512410, 819856, 973579, 1024820, 1947158, 2049640, 3894316, 4099280, 4867895, 7788632, 9735790, 15577264, 19471580, 38943160, 77886320]

約数ペア:

[(1, 77886320), (2, 38943160), (4, 19471580), (5, 15577264), (8, 9735790), (10, 7788632), (16, 4867895), (19, 4099280), (20, 3894316), (38, 2049640), (40, 1947158), (76, 1024820), (80, 973579), (95, 819856), (152, 512410), (190, 409928), (304, 256205), (380, 204964), (760, 102482), (1520, 51241)]