25626400

素因数分解:

$2^5\times 5^2\times {\mathrm{103}}^1\times {\mathrm{311}}^1$

素因数の和:434

約数の個数: 72

約数和(自身を含む): 63370944

約数和(自身を除く): 37744544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 103, 160, 200, 206, 311, 400, 412, 515, 622, 800, 824, 1030, 1244, 1555, 1648, 2060, 2488, 2575, 3110, 3296, 4120, 4976, 5150, 6220, 7775, 8240, 9952, 10300, 12440, 15550, 16480, 20600, 24880, 31100, 32033, 41200, 49760, 62200, 64066, 82400, 124400, 128132, 160165, 248800, 256264, 320330, 512528, 640660, 800825, 1025056, 1281320, 1601650, 2562640, 3203300, 5125280, 6406600, 12813200, 25626400]

約数ペア:

[(1, 25626400), (2, 12813200), (4, 6406600), (5, 5125280), (8, 3203300), (10, 2562640), (16, 1601650), (20, 1281320), (25, 1025056), (32, 800825), (40, 640660), (50, 512528), (80, 320330), (100, 256264), (103, 248800), (160, 160165), (200, 128132), (206, 124400), (311, 82400), (400, 64066), (412, 62200), (515, 49760), (622, 41200), (800, 32033), (824, 31100), (1030, 24880), (1244, 20600), (1555, 16480), (1648, 15550), (2060, 12440), (2488, 10300), (2575, 9952), (3110, 8240), (3296, 7775), (4120, 6220), (4976, 5150)]