25456620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{60611}}^1$

素因数の和:60630

約数の個数: 48

約数和(自身を含む): 81462528

約数和(自身を除く): 56005908

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, 60611, 121222, 181833, 242444, 303055, 363666, 424277, 606110, 727332, 848554, 909165, 1212220, 1272831, 1697108, 1818330, 2121385, 2545662, 3636660, 4242770, 5091324, 6364155, 8485540, 12728310, 25456620]

約数ペア:

[(1, 25456620), (2, 12728310), (3, 8485540), (4, 6364155), (5, 5091324), (6, 4242770), (7, 3636660), (10, 2545662), (12, 2121385), (14, 1818330), (15, 1697108), (20, 1272831), (21, 1212220), (28, 909165), (30, 848554), (35, 727332), (42, 606110), (60, 424277), (70, 363666), (84, 303055), (105, 242444), (140, 181833), (210, 121222), (420, 60611)]