80621890

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1\times {\mathrm{1129}}^1$

素因数の和:1366

約数の個数: 32

約数和(自身を含む): 149946480

約数和(自身を除く): 69324590

約数列:

[1, 2, 5, 10, 37, 74, 185, 193, 370, 386, 965, 1129, 1930, 2258, 5645, 7141, 11290, 14282, 35705, 41773, 71410, 83546, 208865, 217897, 417730, 435794, 1089485, 2178970, 8062189, 16124378, 40310945, 80621890]

約数ペア:

[(1, 80621890), (2, 40310945), (5, 16124378), (10, 8062189), (37, 2178970), (74, 1089485), (185, 435794), (193, 417730), (370, 217897), (386, 208865), (965, 83546), (1129, 71410), (1930, 41773), (2258, 35705), (5645, 14282), (7141, 11290)]