28687030

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{28403}}^1$

素因数の和:28511

約数の個数: 16

約数和(自身を含む): 52149744

約数和(自身を除く): 23462714

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 28403, 56806, 142015, 284030, 2868703, 5737406, 14343515, 28687030]

約数ペア:

[(1, 28687030), (2, 14343515), (5, 5737406), (10, 2868703), (101, 284030), (202, 142015), (505, 56806), (1010, 28403)]