2551036160

素因数分解:

$2^8\times 5^1\times {\mathrm{1259}}^1\times {\mathrm{1583}}^1$

素因数の和:2863

約数の個数: 72

約数和(自身を含む): 6119245440

約数和(自身を除く): 3568209280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1259, 1280, 1583, 2518, 3166, 5036, 6295, 6332, 7915, 10072, 12590, 12664, 15830, 20144, 25180, 25328, 31660, 40288, 50360, 50656, 63320, 80576, 100720, 101312, 126640, 161152, 201440, 202624, 253280, 322304, 402880, 405248, 506560, 805760, 1013120, 1611520, 1992997, 2026240, 3985994, 7971988, 9964985, 15943976, 19929970, 31887952, 39859940, 63775904, 79719880, 127551808, 159439760, 255103616, 318879520, 510207232, 637759040, 1275518080, 2551036160]

約数ペア:

[(1, 2551036160), (2, 1275518080), (4, 637759040), (5, 510207232), (8, 318879520), (10, 255103616), (16, 159439760), (20, 127551808), (32, 79719880), (40, 63775904), (64, 39859940), (80, 31887952), (128, 19929970), (160, 15943976), (256, 9964985), (320, 7971988), (640, 3985994), (1259, 2026240), (1280, 1992997), (1583, 1611520), (2518, 1013120), (3166, 805760), (5036, 506560), (6295, 405248), (6332, 402880), (7915, 322304), (10072, 253280), (12590, 202624), (12664, 201440), (15830, 161152), (20144, 126640), (25180, 101312), (25328, 100720), (31660, 80576), (40288, 63320), (50360, 50656)]