102203440

素因数分解:

$2^4\times 5^1\times {\mathrm{1277543}}^1$

素因数の和:1277556

約数の個数: 20

約数和(自身を含む): 237623184

約数和(自身を除く): 135419744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1277543, 2555086, 5110172, 6387715, 10220344, 12775430, 20440688, 25550860, 51101720, 102203440]

約数ペア:

[(1, 102203440), (2, 51101720), (4, 25550860), (5, 20440688), (8, 12775430), (10, 10220344), (16, 6387715), (20, 5110172), (40, 2555086), (80, 1277543)]