20565475600

素因数分解:

$2^4\times 5^2\times {\mathrm{51413689}}^1$

素因数の和:51413707

約数の個数: 30

約数和(自身を含む): 49408556090

約数和(自身を除く): 28843080490

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 51413689, 102827378, 205654756, 257068445, 411309512, 514136890, 822619024, 1028273780, 1285342225, 2056547560, 2570684450, 4113095120, 5141368900, 10282737800, 20565475600]

約数ペア:

[(1, 20565475600), (2, 10282737800), (4, 5141368900), (5, 4113095120), (8, 2570684450), (10, 2056547560), (16, 1285342225), (20, 1028273780), (25, 822619024), (40, 514136890), (50, 411309512), (80, 257068445), (100, 205654756), (200, 102827378), (400, 51413689)]