47280520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1289}}^1$

素因数の和:1438

約数の個数: 64

約数和(自身を含む): 122601600

約数和(自身を除く): 75321080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 131, 140, 262, 280, 524, 655, 917, 1048, 1289, 1310, 1834, 2578, 2620, 3668, 4585, 5156, 5240, 6445, 7336, 9023, 9170, 10312, 12890, 18046, 18340, 25780, 36092, 36680, 45115, 51560, 72184, 90230, 168859, 180460, 337718, 360920, 675436, 844295, 1182013, 1350872, 1688590, 2364026, 3377180, 4728052, 5910065, 6754360, 9456104, 11820130, 23640260, 47280520]

約数ペア:

[(1, 47280520), (2, 23640260), (4, 11820130), (5, 9456104), (7, 6754360), (8, 5910065), (10, 4728052), (14, 3377180), (20, 2364026), (28, 1688590), (35, 1350872), (40, 1182013), (56, 844295), (70, 675436), (131, 360920), (140, 337718), (262, 180460), (280, 168859), (524, 90230), (655, 72184), (917, 51560), (1048, 45115), (1289, 36680), (1310, 36092), (1834, 25780), (2578, 18340), (2620, 18046), (3668, 12890), (4585, 10312), (5156, 9170), (5240, 9023), (6445, 7336)]