78930440

素因数分解:

$2^3\times 5^1\times {\mathrm{1973261}}^1$

素因数の和:1973272

約数の個数: 16

約数和(自身を含む): 177593580

約数和(自身を除く): 98663140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1973261, 3946522, 7893044, 9866305, 15786088, 19732610, 39465220, 78930440]

約数ペア:

[(1, 78930440), (2, 39465220), (4, 19732610), (5, 15786088), (8, 9866305), (10, 7893044), (20, 3946522), (40, 1973261)]