80511290

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{1499}}^1$

素因数の和:1678

約数の個数: 32

約数和(自身を含む): 149688000

約数和(自身を除く): 69176710

約数列:

[1, 2, 5, 10, 41, 82, 131, 205, 262, 410, 655, 1310, 1499, 2998, 5371, 7495, 10742, 14990, 26855, 53710, 61459, 122918, 196369, 307295, 392738, 614590, 981845, 1963690, 8051129, 16102258, 40255645, 80511290]

約数ペア:

[(1, 80511290), (2, 40255645), (5, 16102258), (10, 8051129), (41, 1963690), (82, 981845), (131, 614590), (205, 392738), (262, 307295), (410, 196369), (655, 122918), (1310, 61459), (1499, 53710), (2998, 26855), (5371, 14990), (7495, 10742)]