620199280

素因数分解:

$2^4\times 5^1\times {\mathrm{151}}^1\times {\mathrm{51341}}^1$

素因数の和:51505

約数の個数: 40

約数和(自身を含む): 1451541024

約数和(自身を除く): 831341744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 151, 302, 604, 755, 1208, 1510, 2416, 3020, 6040, 12080, 51341, 102682, 205364, 256705, 410728, 513410, 821456, 1026820, 2053640, 4107280, 7752491, 15504982, 31009964, 38762455, 62019928, 77524910, 124039856, 155049820, 310099640, 620199280]

約数ペア:

[(1, 620199280), (2, 310099640), (4, 155049820), (5, 124039856), (8, 77524910), (10, 62019928), (16, 38762455), (20, 31009964), (40, 15504982), (80, 7752491), (151, 4107280), (302, 2053640), (604, 1026820), (755, 821456), (1208, 513410), (1510, 410728), (2416, 256705), (3020, 205364), (6040, 102682), (12080, 51341)]