26986280

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{4139}}^1$

素因数の和:4313

約数の個数: 32

約数和(自身を含む): 61106400

約数和(自身を除く): 34120120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 4139, 6520, 8278, 16556, 20695, 33112, 41390, 82780, 165560, 674657, 1349314, 2698628, 3373285, 5397256, 6746570, 13493140, 26986280]

約数ペア:

[(1, 26986280), (2, 13493140), (4, 6746570), (5, 5397256), (8, 3373285), (10, 2698628), (20, 1349314), (40, 674657), (163, 165560), (326, 82780), (652, 41390), (815, 33112), (1304, 20695), (1630, 16556), (3260, 8278), (4139, 6520)]