2051233280

素因数分解:

$2^9\times 5^1\times {\mathrm{41}}^1\times {\mathrm{19543}}^1$

素因数の和:19607

約数の個数: 80

約数和(自身を含む): 5038365024

約数和(自身を除く): 2987131744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 256, 320, 328, 410, 512, 640, 656, 820, 1280, 1312, 1640, 2560, 2624, 3280, 5248, 6560, 10496, 13120, 19543, 20992, 26240, 39086, 52480, 78172, 97715, 104960, 156344, 195430, 312688, 390860, 625376, 781720, 801263, 1250752, 1563440, 1602526, 2501504, 3126880, 3205052, 4006315, 5003008, 6253760, 6410104, 8012630, 10006016, 12507520, 12820208, 16025260, 25015040, 25640416, 32050520, 50030080, 51280832, 64101040, 102561664, 128202080, 205123328, 256404160, 410246656, 512808320, 1025616640, 2051233280]

約数ペア:

[(1, 2051233280), (2, 1025616640), (4, 512808320), (5, 410246656), (8, 256404160), (10, 205123328), (16, 128202080), (20, 102561664), (32, 64101040), (40, 51280832), (41, 50030080), (64, 32050520), (80, 25640416), (82, 25015040), (128, 16025260), (160, 12820208), (164, 12507520), (205, 10006016), (256, 8012630), (320, 6410104), (328, 6253760), (410, 5003008), (512, 4006315), (640, 3205052), (656, 3126880), (820, 2501504), (1280, 1602526), (1312, 1563440), (1640, 1250752), (2560, 801263), (2624, 781720), (3280, 625376), (5248, 390860), (6560, 312688), (10496, 195430), (13120, 156344), (19543, 104960), (20992, 97715), (26240, 78172), (39086, 52480)]