39549940

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{263}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 85333248

約数和(自身を除く): 45783308

約数列:

[1, 2, 4, 5, 10, 20, 73, 103, 146, 206, 263, 292, 365, 412, 515, 526, 730, 1030, 1052, 1315, 1460, 2060, 2630, 5260, 7519, 15038, 19199, 27089, 30076, 37595, 38398, 54178, 75190, 76796, 95995, 108356, 135445, 150380, 191990, 270890, 383980, 541780, 1977497, 3954994, 7909988, 9887485, 19774970, 39549940]

約数ペア:

[(1, 39549940), (2, 19774970), (4, 9887485), (5, 7909988), (10, 3954994), (20, 1977497), (73, 541780), (103, 383980), (146, 270890), (206, 191990), (263, 150380), (292, 135445), (365, 108356), (412, 95995), (515, 76796), (526, 75190), (730, 54178), (1030, 38398), (1052, 37595), (1315, 30076), (1460, 27089), (2060, 19199), (2630, 15038), (5260, 7519)]