201100520

素因数分解:

$2^3\times 5^1\times {\mathrm{541}}^1\times {\mathrm{9293}}^1$

素因数の和:9845

約数の個数: 32

約数和(自身を含む): 453361320

約数和(自身を除く): 252260800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 541, 1082, 2164, 2705, 4328, 5410, 9293, 10820, 18586, 21640, 37172, 46465, 74344, 92930, 185860, 371720, 5027513, 10055026, 20110052, 25137565, 40220104, 50275130, 100550260, 201100520]

約数ペア:

[(1, 201100520), (2, 100550260), (4, 50275130), (5, 40220104), (8, 25137565), (10, 20110052), (20, 10055026), (40, 5027513), (541, 371720), (1082, 185860), (2164, 92930), (2705, 74344), (4328, 46465), (5410, 37172), (9293, 21640), (10820, 18586)]