13512940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{367}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 32643072

約数和(自身を除く): 19130132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 263, 367, 526, 734, 1052, 1315, 1468, 1835, 1841, 2569, 2630, 3670, 3682, 5138, 5260, 7340, 7364, 9205, 10276, 12845, 18410, 25690, 36820, 51380, 96521, 193042, 386084, 482605, 675647, 965210, 1351294, 1930420, 2702588, 3378235, 6756470, 13512940]

約数ペア:

[(1, 13512940), (2, 6756470), (4, 3378235), (5, 2702588), (7, 1930420), (10, 1351294), (14, 965210), (20, 675647), (28, 482605), (35, 386084), (70, 193042), (140, 96521), (263, 51380), (367, 36820), (526, 25690), (734, 18410), (1052, 12845), (1315, 10276), (1468, 9205), (1835, 7364), (1841, 7340), (2569, 5260), (2630, 5138), (3670, 3682)]