24784400

素因数分解:

$2^4\times 5^2\times {\mathrm{61961}}^1$

素因数の和:61979

約数の個数: 30

約数和(自身を含む): 59545482

約数和(自身を除く): 34761082

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 61961, 123922, 247844, 309805, 495688, 619610, 991376, 1239220, 1549025, 2478440, 3098050, 4956880, 6196100, 12392200, 24784400]

約数ペア:

[(1, 24784400), (2, 12392200), (4, 6196100), (5, 4956880), (8, 3098050), (10, 2478440), (16, 1549025), (20, 1239220), (25, 991376), (40, 619610), (50, 495688), (80, 309805), (100, 247844), (200, 123922), (400, 61961)]