13288940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4127}}^1$

素因数の和:4166

約数の個数: 48

約数和(自身を含む): 33288192

約数和(自身を除く): 19999252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 4127, 8254, 16508, 20635, 28889, 41270, 57778, 82540, 94921, 115556, 144445, 189842, 288890, 379684, 474605, 577780, 664447, 949210, 1328894, 1898420, 2657788, 3322235, 6644470, 13288940]

約数ペア:

[(1, 13288940), (2, 6644470), (4, 3322235), (5, 2657788), (7, 1898420), (10, 1328894), (14, 949210), (20, 664447), (23, 577780), (28, 474605), (35, 379684), (46, 288890), (70, 189842), (92, 144445), (115, 115556), (140, 94921), (161, 82540), (230, 57778), (322, 41270), (460, 28889), (644, 20635), (805, 16508), (1610, 8254), (3220, 4127)]