13260380

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{1933}}^1$

素因数の和:1963

約数の個数: 48

約数和(自身を含む): 32491200

約数和(自身を除く): 19230820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 1933, 3430, 3866, 6860, 7732, 9665, 13531, 19330, 27062, 38660, 54124, 67655, 94717, 135310, 189434, 270620, 378868, 473585, 663019, 947170, 1326038, 1894340, 2652076, 3315095, 6630190, 13260380]

約数ペア:

[(1, 13260380), (2, 6630190), (4, 3315095), (5, 2652076), (7, 1894340), (10, 1326038), (14, 947170), (20, 663019), (28, 473585), (35, 378868), (49, 270620), (70, 189434), (98, 135310), (140, 94717), (196, 67655), (245, 54124), (343, 38660), (490, 27062), (686, 19330), (980, 13531), (1372, 9665), (1715, 7732), (1933, 6860), (3430, 3866)]