25791780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{61409}}^1$

素因数の和:61428

約数の個数: 48

約数和(自身を含む): 82535040

約数和(自身を除く): 56743260

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 61409, 122818, 184227, 245636, 307045, 368454, 429863, 614090, 736908, 859726, 921135, 1228180, 1289589, 1719452, 1842270, 2149315, 2579178, 3684540, 4298630, 5158356, 6447945, 8597260, 12895890, 25791780]

約数ペア:

[(1, 25791780), (2, 12895890), (3, 8597260), (4, 6447945), (5, 5158356), (6, 4298630), (7, 3684540), (10, 2579178), (12, 2149315), (14, 1842270), (15, 1719452), (20, 1289589), (21, 1228180), (28, 921135), (30, 859726), (35, 736908), (42, 614090), (60, 429863), (70, 368454), (84, 307045), (105, 245636), (140, 184227), (210, 122818), (420, 61409)]