210988240

素因数分解:

$2^4\times 5^1\times {\mathrm{2637353}}^1$

素因数の和:2637366

約数の個数: 20

約数和(自身を含む): 490547844

約数和(自身を除く): 279559604

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2637353, 5274706, 10549412, 13186765, 21098824, 26373530, 42197648, 52747060, 105494120, 210988240]

約数ペア:

[(1, 210988240), (2, 105494120), (4, 52747060), (5, 42197648), (8, 26373530), (10, 21098824), (16, 13186765), (20, 10549412), (40, 5274706), (80, 2637353)]