25172520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{209771}}^1$

素因数の和:209785

約数の個数: 32

約数和(自身を含む): 75517920

約数和(自身を除く): 50345400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 209771, 419542, 629313, 839084, 1048855, 1258626, 1678168, 2097710, 2517252, 3146565, 4195420, 5034504, 6293130, 8390840, 12586260, 25172520]

約数ペア:

[(1, 25172520), (2, 12586260), (3, 8390840), (4, 6293130), (5, 5034504), (6, 4195420), (8, 3146565), (10, 2517252), (12, 2097710), (15, 1678168), (20, 1258626), (24, 1048855), (30, 839084), (40, 629313), (60, 419542), (120, 209771)]