22838840

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{2389}}^1$

素因数の和:2639

約数の個数: 32

約数和(自身を含む): 51624000

約数和(自身を除く): 28785160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1912, 2389, 2390, 4778, 4780, 9556, 9560, 11945, 19112, 23890, 47780, 95560, 570971, 1141942, 2283884, 2854855, 4567768, 5709710, 11419420, 22838840]

約数ペア:

[(1, 22838840), (2, 11419420), (4, 5709710), (5, 4567768), (8, 2854855), (10, 2283884), (20, 1141942), (40, 570971), (239, 95560), (478, 47780), (956, 23890), (1195, 19112), (1912, 11945), (2389, 9560), (2390, 9556), (4778, 4780)]