203218480

素因数分解:

$2^4\times 5^1\times {\mathrm{2540231}}^1$

素因数の和:2540244

約数の個数: 20

約数和(自身を含む): 472483152

約数和(自身を除く): 269264672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2540231, 5080462, 10160924, 12701155, 20321848, 25402310, 40643696, 50804620, 101609240, 203218480]

約数ペア:

[(1, 203218480), (2, 101609240), (4, 50804620), (5, 40643696), (8, 25402310), (10, 20321848), (16, 12701155), (20, 10160924), (40, 5080462), (80, 2540231)]