97654820

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{68771}}^1$

素因数の和:68851

約数の個数: 24

約数和(自身を含む): 207966528

約数和(自身を除く): 110311708

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 68771, 137542, 275084, 343855, 687710, 1375420, 4882741, 9765482, 19530964, 24413705, 48827410, 97654820]

約数ペア:

[(1, 97654820), (2, 48827410), (4, 24413705), (5, 19530964), (10, 9765482), (20, 4882741), (71, 1375420), (142, 687710), (284, 343855), (355, 275084), (710, 137542), (1420, 68771)]