1900240

素因数分解:

$2^4\times 5^1\times {\mathrm{23753}}^1$

素因数の和:23766

約数の個数: 20

約数和(自身を含む): 4418244

約数和(自身を除く): 2518004

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 23753, 47506, 95012, 118765, 190024, 237530, 380048, 475060, 950120, 1900240]

約数ペア:

[(1, 1900240), (2, 950120), (4, 475060), (5, 380048), (8, 237530), (10, 190024), (16, 118765), (20, 95012), (40, 47506), (80, 23753)]