12813200

素因数分解:

$2^4\times 5^2\times {\mathrm{103}}^1\times {\mathrm{311}}^1$

素因数の和:432

約数の個数: 60

約数和(自身を含む): 31182528

約数和(自身を除く): 18369328

約数列:

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

約数ペア:

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