2013353900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{649469}}^1$

素因数の和:649514

約数の個数: 36

約数和(自身を含む): 4509919680

約数和(自身を除く): 2496565780

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 620, 775, 1550, 3100, 649469, 1298938, 2597876, 3247345, 6494690, 12989380, 16236725, 20133539, 32473450, 40267078, 64946900, 80534156, 100667695, 201335390, 402670780, 503338475, 1006676950, 2013353900]

約数ペア:

[(1, 2013353900), (2, 1006676950), (4, 503338475), (5, 402670780), (10, 201335390), (20, 100667695), (25, 80534156), (31, 64946900), (50, 40267078), (62, 32473450), (100, 20133539), (124, 16236725), (155, 12989380), (310, 6494690), (620, 3247345), (775, 2597876), (1550, 1298938), (3100, 649469)]