25766440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4001}}^1$

素因数の和:4042

約数の個数: 64

約数和(自身を含む): 69154560

約数和(自身を除く): 43388120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 4001, 6440, 8002, 16004, 20005, 28007, 32008, 40010, 56014, 80020, 92023, 112028, 140035, 160040, 184046, 224056, 280070, 368092, 460115, 560140, 644161, 736184, 920230, 1120280, 1288322, 1840460, 2576644, 3220805, 3680920, 5153288, 6441610, 12883220, 25766440]

約数ペア:

[(1, 25766440), (2, 12883220), (4, 6441610), (5, 5153288), (7, 3680920), (8, 3220805), (10, 2576644), (14, 1840460), (20, 1288322), (23, 1120280), (28, 920230), (35, 736184), (40, 644161), (46, 560140), (56, 460115), (70, 368092), (92, 280070), (115, 224056), (140, 184046), (161, 160040), (184, 140035), (230, 112028), (280, 92023), (322, 80020), (460, 56014), (644, 40010), (805, 32008), (920, 28007), (1288, 20005), (1610, 16004), (3220, 8002), (4001, 6440)]