15122808280

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{3897631}}^1$

素因数の和:3897739

約数の個数: 32

約数和(自身を含む): 34377114240

約数和(自身を除く): 19254305960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 3897631, 7795262, 15590524, 19488155, 31181048, 38976310, 77952620, 155905240, 378070207, 756140414, 1512280828, 1890351035, 3024561656, 3780702070, 7561404140, 15122808280]

約数ペア:

[(1, 15122808280), (2, 7561404140), (4, 3780702070), (5, 3024561656), (8, 1890351035), (10, 1512280828), (20, 756140414), (40, 378070207), (97, 155905240), (194, 77952620), (388, 38976310), (485, 31181048), (776, 19488155), (970, 15590524), (1940, 7795262), (3880, 3897631)]