8780821360

素因数分解:

$2^4\times 5^1\times {\mathrm{827}}^1\times {\mathrm{132721}}^1$

素因数の和:133561

約数の個数: 40

約数和(自身を含む): 20440249776

約数和(自身を除く): 11659428416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 827, 1654, 3308, 4135, 6616, 8270, 13232, 16540, 33080, 66160, 132721, 265442, 530884, 663605, 1061768, 1327210, 2123536, 2654420, 5308840, 10617680, 109760267, 219520534, 439041068, 548801335, 878082136, 1097602670, 1756164272, 2195205340, 4390410680, 8780821360]

約数ペア:

[(1, 8780821360), (2, 4390410680), (4, 2195205340), (5, 1756164272), (8, 1097602670), (10, 878082136), (16, 548801335), (20, 439041068), (40, 219520534), (80, 109760267), (827, 10617680), (1654, 5308840), (3308, 2654420), (4135, 2123536), (6616, 1327210), (8270, 1061768), (13232, 663605), (16540, 530884), (33080, 265442), (66160, 132721)]