12758045380

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{8984539}}^1$

素因数の和:8984619

約数の個数: 24

約数和(自身を含む): 27169248960

約数和(自身を除く): 14411203580

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 8984539, 17969078, 35938156, 44922695, 89845390, 179690780, 637902269, 1275804538, 2551609076, 3189511345, 6379022690, 12758045380]

約数ペア:

[(1, 12758045380), (2, 6379022690), (4, 3189511345), (5, 2551609076), (10, 1275804538), (20, 637902269), (71, 179690780), (142, 89845390), (284, 44922695), (355, 35938156), (710, 17969078), (1420, 8984539)]