256280650

素因数分解:

$2^1\times 5^2\times {\mathrm{631}}^1\times {\mathrm{8123}}^1$

素因数の和:8766

約数の個数: 24

約数和(自身を含む): 477496224

約数和(自身を除く): 221215574

約数列:

[1, 2, 5, 10, 25, 50, 631, 1262, 3155, 6310, 8123, 15775, 16246, 31550, 40615, 81230, 203075, 406150, 5125613, 10251226, 25628065, 51256130, 128140325, 256280650]

約数ペア:

[(1, 256280650), (2, 128140325), (5, 51256130), (10, 25628065), (25, 10251226), (50, 5125613), (631, 406150), (1262, 203075), (3155, 81230), (6310, 40615), (8123, 31550), (15775, 16246)]