87856690280

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{15801563}}^1$

素因数の和:15801713

約数の個数: 32

約数和(自身を含む): 199099706400

約数和(自身を除く): 111243016120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 15801563, 31603126, 63206252, 79007815, 126412504, 158015630, 316031260, 632062520, 2196417257, 4392834514, 8785669028, 10982086285, 17571338056, 21964172570, 43928345140, 87856690280]

約数ペア:

[(1, 87856690280), (2, 43928345140), (4, 21964172570), (5, 17571338056), (8, 10982086285), (10, 8785669028), (20, 4392834514), (40, 2196417257), (139, 632062520), (278, 316031260), (556, 158015630), (695, 126412504), (1112, 79007815), (1390, 63206252), (2780, 31603126), (5560, 15801563)]