78077080

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{5407}}^1$

素因数の和:5456

約数の個数: 48

約数和(自身を含む): 185440320

約数和(自身を除く): 107363240

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 361, 380, 722, 760, 1444, 1805, 2888, 3610, 5407, 7220, 10814, 14440, 21628, 27035, 43256, 54070, 102733, 108140, 205466, 216280, 410932, 513665, 821864, 1027330, 1951927, 2054660, 3903854, 4109320, 7807708, 9759635, 15615416, 19519270, 39038540, 78077080]

約数ペア:

[(1, 78077080), (2, 39038540), (4, 19519270), (5, 15615416), (8, 9759635), (10, 7807708), (19, 4109320), (20, 3903854), (38, 2054660), (40, 1951927), (76, 1027330), (95, 821864), (152, 513665), (190, 410932), (361, 216280), (380, 205466), (722, 108140), (760, 102733), (1444, 54070), (1805, 43256), (2888, 27035), (3610, 21628), (5407, 14440), (7220, 10814)]