78238660

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{95413}}^1$

素因数の和:95463

約数の個数: 24

約数和(自身を含む): 168310296

約数和(自身を除く): 90071636

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 95413, 190826, 381652, 477065, 954130, 1908260, 3911933, 7823866, 15647732, 19559665, 39119330, 78238660]

約数ペア:

[(1, 78238660), (2, 39119330), (4, 19559665), (5, 15647732), (10, 7823866), (20, 3911933), (41, 1908260), (82, 954130), (164, 477065), (205, 381652), (410, 190826), (820, 95413)]