1003120

素因数分解:

$2^4\times 5^1\times {\mathrm{12539}}^1$

素因数の和:12552

約数の個数: 20

約数和(自身を含む): 2332440

約数和(自身を除く): 1329320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 12539, 25078, 50156, 62695, 100312, 125390, 200624, 250780, 501560, 1003120]

約数ペア:

[(1, 1003120), (2, 501560), (4, 250780), (5, 200624), (8, 125390), (10, 100312), (16, 62695), (20, 50156), (40, 25078), (80, 12539)]