84970840

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{19853}}^1$

素因数の和:19971

約数の個数: 32

約数和(自身を含む): 192980880

約数和(自身を除く): 108010040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 19853, 39706, 79412, 99265, 158824, 198530, 397060, 794120, 2124271, 4248542, 8497084, 10621355, 16994168, 21242710, 42485420, 84970840]

約数ペア:

[(1, 84970840), (2, 42485420), (4, 21242710), (5, 16994168), (8, 10621355), (10, 8497084), (20, 4248542), (40, 2124271), (107, 794120), (214, 397060), (428, 198530), (535, 158824), (856, 99265), (1070, 79412), (2140, 39706), (4280, 19853)]