168265480

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{38593}}^1$

素因数の和:38713

約数の個数: 32

約数和(自身を含む): 382080600

約数和(自身を除く): 213815120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 436, 545, 872, 1090, 2180, 4360, 38593, 77186, 154372, 192965, 308744, 385930, 771860, 1543720, 4206637, 8413274, 16826548, 21033185, 33653096, 42066370, 84132740, 168265480]

約数ペア:

[(1, 168265480), (2, 84132740), (4, 42066370), (5, 33653096), (8, 21033185), (10, 16826548), (20, 8413274), (40, 4206637), (109, 1543720), (218, 771860), (436, 385930), (545, 308744), (872, 192965), (1090, 154372), (2180, 77186), (4360, 38593)]