200070980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{243989}}^1$

素因数の和:244039

約数の個数: 24

約数和(自身を含む): 430398360

約数和(自身を除く): 230327380

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 243989, 487978, 975956, 1219945, 2439890, 4879780, 10003549, 20007098, 40014196, 50017745, 100035490, 200070980]

約数ペア:

[(1, 200070980), (2, 100035490), (4, 50017745), (5, 40014196), (10, 20007098), (20, 10003549), (41, 4879780), (82, 2439890), (164, 1219945), (205, 975956), (410, 487978), (820, 243989)]