200071720

素因数分解:

$2^3\times 5^1\times {\mathrm{887}}^1\times {\mathrm{5639}}^1$

素因数の和:6537

約数の個数: 32

約数和(自身を含む): 450748800

約数和(自身を除く): 250677080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 887, 1774, 3548, 4435, 5639, 7096, 8870, 11278, 17740, 22556, 28195, 35480, 45112, 56390, 112780, 225560, 5001793, 10003586, 20007172, 25008965, 40014344, 50017930, 100035860, 200071720]

約数ペア:

[(1, 200071720), (2, 100035860), (4, 50017930), (5, 40014344), (8, 25008965), (10, 20007172), (20, 10003586), (40, 5001793), (887, 225560), (1774, 112780), (3548, 56390), (4435, 45112), (5639, 35480), (7096, 28195), (8870, 22556), (11278, 17740)]