129366760

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{14503}}^1$

素因数の和:14737

約数の個数: 32

約数和(自身を含む): 292400640

約数和(自身を除く): 163033880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 892, 1115, 1784, 2230, 4460, 8920, 14503, 29006, 58012, 72515, 116024, 145030, 290060, 580120, 3234169, 6468338, 12936676, 16170845, 25873352, 32341690, 64683380, 129366760]

約数ペア:

[(1, 129366760), (2, 64683380), (4, 32341690), (5, 25873352), (8, 16170845), (10, 12936676), (20, 6468338), (40, 3234169), (223, 580120), (446, 290060), (892, 145030), (1115, 116024), (1784, 72515), (2230, 58012), (4460, 29006), (8920, 14503)]