2103604520

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{383}}^1\times {\mathrm{2251}}^1$

素因数の和:2706

約数の個数: 64

約数和(自身を含む): 4825405440

約数和(自身を除く): 2721800920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 383, 488, 610, 766, 1220, 1532, 1915, 2251, 2440, 3064, 3830, 4502, 7660, 9004, 11255, 15320, 18008, 22510, 23363, 45020, 46726, 90040, 93452, 116815, 137311, 186904, 233630, 274622, 467260, 549244, 686555, 862133, 934520, 1098488, 1373110, 1724266, 2746220, 3448532, 4310665, 5492440, 6897064, 8621330, 17242660, 34485320, 52590113, 105180226, 210360452, 262950565, 420720904, 525901130, 1051802260, 2103604520]

約数ペア:

[(1, 2103604520), (2, 1051802260), (4, 525901130), (5, 420720904), (8, 262950565), (10, 210360452), (20, 105180226), (40, 52590113), (61, 34485320), (122, 17242660), (244, 8621330), (305, 6897064), (383, 5492440), (488, 4310665), (610, 3448532), (766, 2746220), (1220, 1724266), (1532, 1373110), (1915, 1098488), (2251, 934520), (2440, 862133), (3064, 686555), (3830, 549244), (4502, 467260), (7660, 274622), (9004, 233630), (11255, 186904), (15320, 137311), (18008, 116815), (22510, 93452), (23363, 90040), (45020, 46726)]