427306840

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{26119}}^1$

素因数の和:26539

約数の個数: 32

約数和(自身を含む): 963828000

約数和(自身を除く): 536521160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 818, 1636, 2045, 3272, 4090, 8180, 16360, 26119, 52238, 104476, 130595, 208952, 261190, 522380, 1044760, 10682671, 21365342, 42730684, 53413355, 85461368, 106826710, 213653420, 427306840]

約数ペア:

[(1, 427306840), (2, 213653420), (4, 106826710), (5, 85461368), (8, 53413355), (10, 42730684), (20, 21365342), (40, 10682671), (409, 1044760), (818, 522380), (1636, 261190), (2045, 208952), (3272, 130595), (4090, 104476), (8180, 52238), (16360, 26119)]