3880336640

素因数分解:

$2^8\times 5^1\times {\mathrm{157}}^1\times {\mathrm{19309}}^1$

素因数の和:19487

約数の個数: 72

約数和(自身を含む): 9354304680

約数和(自身を除く): 5473968040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 157, 160, 256, 314, 320, 628, 640, 785, 1256, 1280, 1570, 2512, 3140, 5024, 6280, 10048, 12560, 19309, 20096, 25120, 38618, 40192, 50240, 77236, 96545, 100480, 154472, 193090, 200960, 308944, 386180, 617888, 772360, 1235776, 1544720, 2471552, 3031513, 3089440, 4943104, 6063026, 6178880, 12126052, 12357760, 15157565, 24252104, 24715520, 30315130, 48504208, 60630260, 97008416, 121260520, 194016832, 242521040, 388033664, 485042080, 776067328, 970084160, 1940168320, 3880336640]

約数ペア:

[(1, 3880336640), (2, 1940168320), (4, 970084160), (5, 776067328), (8, 485042080), (10, 388033664), (16, 242521040), (20, 194016832), (32, 121260520), (40, 97008416), (64, 60630260), (80, 48504208), (128, 30315130), (157, 24715520), (160, 24252104), (256, 15157565), (314, 12357760), (320, 12126052), (628, 6178880), (640, 6063026), (785, 4943104), (1256, 3089440), (1280, 3031513), (1570, 2471552), (2512, 1544720), (3140, 1235776), (5024, 772360), (6280, 617888), (10048, 386180), (12560, 308944), (19309, 200960), (20096, 193090), (25120, 154472), (38618, 100480), (40192, 96545), (50240, 77236)]