78356240

素因数分解:

$2^4\times 5^1\times {\mathrm{821}}^1\times {\mathrm{1193}}^1$

素因数の和:2027

約数の個数: 40

約数和(自身を含む): 182553048

約数和(自身を除く): 104196808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 821, 1193, 1642, 2386, 3284, 4105, 4772, 5965, 6568, 8210, 9544, 11930, 13136, 16420, 19088, 23860, 32840, 47720, 65680, 95440, 979453, 1958906, 3917812, 4897265, 7835624, 9794530, 15671248, 19589060, 39178120, 78356240]

約数ペア:

[(1, 78356240), (2, 39178120), (4, 19589060), (5, 15671248), (8, 9794530), (10, 7835624), (16, 4897265), (20, 3917812), (40, 1958906), (80, 979453), (821, 95440), (1193, 65680), (1642, 47720), (2386, 32840), (3284, 23860), (4105, 19088), (4772, 16420), (5965, 13136), (6568, 11930), (8210, 9544)]