12547840

素因数分解:

$2^8\times 5^1\times {\mathrm{9803}}^1$

素因数の和:9824

約数の個数: 36

約数和(自身を含む): 30059064

約数和(自身を除く): 17511224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 9803, 19606, 39212, 49015, 78424, 98030, 156848, 196060, 313696, 392120, 627392, 784240, 1254784, 1568480, 2509568, 3136960, 6273920, 12547840]

約数ペア:

[(1, 12547840), (2, 6273920), (4, 3136960), (5, 2509568), (8, 1568480), (10, 1254784), (16, 784240), (20, 627392), (32, 392120), (40, 313696), (64, 196060), (80, 156848), (128, 98030), (160, 78424), (256, 49015), (320, 39212), (640, 19606), (1280, 9803)]