80696990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{38611}}^1$

素因数の和:38648

約数の個数: 32

約数和(自身を含む): 166803840

約数和(自身を除く): 86106850

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 38611, 77222, 193055, 386110, 424721, 733609, 849442, 1467218, 2123605, 3668045, 4247210, 7336090, 8069699, 16139398, 40348495, 80696990]

約数ペア:

[(1, 80696990), (2, 40348495), (5, 16139398), (10, 8069699), (11, 7336090), (19, 4247210), (22, 3668045), (38, 2123605), (55, 1467218), (95, 849442), (110, 733609), (190, 424721), (209, 386110), (418, 193055), (1045, 77222), (2090, 38611)]