203500240

素因数分解:

$2^4\times 5^1\times {\mathrm{2543753}}^1$

素因数の和:2543766

約数の個数: 20

約数和(自身を含む): 473138244

約数和(自身を除く): 269638004

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2543753, 5087506, 10175012, 12718765, 20350024, 25437530, 40700048, 50875060, 101750120, 203500240]

約数ペア:

[(1, 203500240), (2, 101750120), (4, 50875060), (5, 40700048), (8, 25437530), (10, 20350024), (16, 12718765), (20, 10175012), (40, 5087506), (80, 2543753)]