29787880

素因数分解:

$2^3\times 5^1\times {\mathrm{647}}^1\times {\mathrm{1151}}^1$

素因数の和:1809

約数の個数: 32

約数和(自身を含む): 67184640

約数和(自身を除く): 37396760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 647, 1151, 1294, 2302, 2588, 3235, 4604, 5176, 5755, 6470, 9208, 11510, 12940, 23020, 25880, 46040, 744697, 1489394, 2978788, 3723485, 5957576, 7446970, 14893940, 29787880]

約数ペア:

[(1, 29787880), (2, 14893940), (4, 7446970), (5, 5957576), (8, 3723485), (10, 2978788), (20, 1489394), (40, 744697), (647, 46040), (1151, 25880), (1294, 23020), (2302, 12940), (2588, 11510), (3235, 9208), (4604, 6470), (5176, 5755)]