65548820

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{20107}}^1$

素因数の和:20279

約数の個数: 24

約数和(自身を含む): 138503904

約数和(自身を除く): 72955084

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 20107, 40214, 80428, 100535, 201070, 402140, 3277441, 6554882, 13109764, 16387205, 32774410, 65548820]

約数ペア:

[(1, 65548820), (2, 32774410), (4, 16387205), (5, 13109764), (10, 6554882), (20, 3277441), (163, 402140), (326, 201070), (652, 100535), (815, 80428), (1630, 40214), (3260, 20107)]