80554900

素因数分解:

$2^2\times 5^2\times {\mathrm{541}}^1\times {\mathrm{1489}}^1$

素因数の和:2044

約数の個数: 36

約数和(自身を含む): 175244860

約数和(自身を除く): 94689960

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 541, 1082, 1489, 2164, 2705, 2978, 5410, 5956, 7445, 10820, 13525, 14890, 27050, 29780, 37225, 54100, 74450, 148900, 805549, 1611098, 3222196, 4027745, 8055490, 16110980, 20138725, 40277450, 80554900]

約数ペア:

[(1, 80554900), (2, 40277450), (4, 20138725), (5, 16110980), (10, 8055490), (20, 4027745), (25, 3222196), (50, 1611098), (100, 805549), (541, 148900), (1082, 74450), (1489, 54100), (2164, 37225), (2705, 29780), (2978, 27050), (5410, 14890), (5956, 13525), (7445, 10820)]