28203880

素因数分解:

$2^3\times 5^1\times {\mathrm{705097}}^1$

素因数の和:705108

約数の個数: 16

約数和(自身を含む): 63458820

約数和(自身を除く): 35254940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 705097, 1410194, 2820388, 3525485, 5640776, 7050970, 14101940, 28203880]

約数ペア:

[(1, 28203880), (2, 14101940), (4, 7050970), (5, 5640776), (8, 3525485), (10, 2820388), (20, 1410194), (40, 705097)]