26220880

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{6689}}^1$

素因数の和:6716

約数の個数: 60

約数和(自身を含む): 70927380

約数和(自身を除く): 44706500

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 6689, 13378, 26756, 33445, 46823, 53512, 66890, 93646, 107024, 133780, 187292, 234115, 267560, 327761, 374584, 468230, 535120, 655522, 749168, 936460, 1311044, 1638805, 1872920, 2622088, 3277610, 3745840, 5244176, 6555220, 13110440, 26220880]

約数ペア:

[(1, 26220880), (2, 13110440), (4, 6555220), (5, 5244176), (7, 3745840), (8, 3277610), (10, 2622088), (14, 1872920), (16, 1638805), (20, 1311044), (28, 936460), (35, 749168), (40, 655522), (49, 535120), (56, 468230), (70, 374584), (80, 327761), (98, 267560), (112, 234115), (140, 187292), (196, 133780), (245, 107024), (280, 93646), (392, 66890), (490, 53512), (560, 46823), (784, 33445), (980, 26756), (1960, 13378), (3920, 6689)]