78748240

素因数分解:

$2^4\times 5^1\times {\mathrm{984353}}^1$

素因数の和:984366

約数の個数: 20

約数和(自身を含む): 183089844

約数和(自身を除く): 104341604

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 984353, 1968706, 3937412, 4921765, 7874824, 9843530, 15749648, 19687060, 39374120, 78748240]

約数ペア:

[(1, 78748240), (2, 39374120), (4, 19687060), (5, 15749648), (8, 9843530), (10, 7874824), (16, 4921765), (20, 3937412), (40, 1968706), (80, 984353)]