203418520

素因数分解:

$2^3\times 5^1\times {\mathrm{5085463}}^1$

素因数の和:5085474

約数の個数: 16

約数和(自身を含む): 457691760

約数和(自身を除く): 254273240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5085463, 10170926, 20341852, 25427315, 40683704, 50854630, 101709260, 203418520]

約数ペア:

[(1, 203418520), (2, 101709260), (4, 50854630), (5, 40683704), (8, 25427315), (10, 20341852), (20, 10170926), (40, 5085463)]