15986240

素因数分解:

$2^6\times 5^1\times {\mathrm{49957}}^1$

素因数の和:49974

約数の個数: 28

約数和(自身を含む): 38067996

約数和(自身を除く): 22081756

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 49957, 99914, 199828, 249785, 399656, 499570, 799312, 999140, 1598624, 1998280, 3197248, 3996560, 7993120, 15986240]

約数ペア:

[(1, 15986240), (2, 7993120), (4, 3996560), (5, 3197248), (8, 1998280), (10, 1598624), (16, 999140), (20, 799312), (32, 499570), (40, 399656), (64, 249785), (80, 199828), (160, 99914), (320, 49957)]