28865260

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{14879}}^1$

素因数の和:14985

約数の個数: 24

約数和(自身を含む): 61246080

約数和(自身を除く): 32380820

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 14879, 29758, 59516, 74395, 148790, 297580, 1443263, 2886526, 5773052, 7216315, 14432630, 28865260]

約数ペア:

[(1, 28865260), (2, 14432630), (4, 7216315), (5, 5773052), (10, 2886526), (20, 1443263), (97, 297580), (194, 148790), (388, 74395), (485, 59516), (970, 29758), (1940, 14879)]