394288240

素因数分解:

$2^4\times 5^1\times {\mathrm{4928603}}^1$

素因数の和:4928616

約数の個数: 20

約数和(自身を含む): 916720344

約数和(自身を除く): 522432104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 4928603, 9857206, 19714412, 24643015, 39428824, 49286030, 78857648, 98572060, 197144120, 394288240]

約数ペア:

[(1, 394288240), (2, 197144120), (4, 98572060), (5, 78857648), (8, 49286030), (10, 39428824), (16, 24643015), (20, 19714412), (40, 9857206), (80, 4928603)]