20565543200

素因数分解:

$2^5\times 5^2\times {\mathrm{25706929}}^1$

素因数の和:25706949

約数の個数: 36

約数和(自身を含む): 50205634290

約数和(自身を除く): 29640091090

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 25706929, 51413858, 102827716, 128534645, 205655432, 257069290, 411310864, 514138580, 642673225, 822621728, 1028277160, 1285346450, 2056554320, 2570692900, 4113108640, 5141385800, 10282771600, 20565543200]

約数ペア:

[(1, 20565543200), (2, 10282771600), (4, 5141385800), (5, 4113108640), (8, 2570692900), (10, 2056554320), (16, 1285346450), (20, 1028277160), (25, 822621728), (32, 642673225), (40, 514138580), (50, 411310864), (80, 257069290), (100, 205655432), (160, 128534645), (200, 102827716), (400, 51413858), (800, 25706929)]