80796380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{10889}}^1$

素因数の和:10958

約数の個数: 48

約数和(自身を含む): 197588160

約数和(自身を除く): 116791780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 371, 530, 742, 1060, 1484, 1855, 3710, 7420, 10889, 21778, 43556, 54445, 76223, 108890, 152446, 217780, 304892, 381115, 577117, 762230, 1154234, 1524460, 2308468, 2885585, 4039819, 5771170, 8079638, 11542340, 16159276, 20199095, 40398190, 80796380]

約数ペア:

[(1, 80796380), (2, 40398190), (4, 20199095), (5, 16159276), (7, 11542340), (10, 8079638), (14, 5771170), (20, 4039819), (28, 2885585), (35, 2308468), (53, 1524460), (70, 1154234), (106, 762230), (140, 577117), (212, 381115), (265, 304892), (371, 217780), (530, 152446), (742, 108890), (1060, 76223), (1484, 54445), (1855, 43556), (3710, 21778), (7420, 10889)]