12550580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{571}}^1$

素因数の和:744

約数の個数: 48

約数和(自身を含む): 30366336

約数和(自身を除く): 17815756

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 571, 628, 785, 1099, 1142, 1570, 2198, 2284, 2855, 3140, 3997, 4396, 5495, 5710, 7994, 10990, 11420, 15988, 19985, 21980, 39970, 79940, 89647, 179294, 358588, 448235, 627529, 896470, 1255058, 1792940, 2510116, 3137645, 6275290, 12550580]

約数ペア:

[(1, 12550580), (2, 6275290), (4, 3137645), (5, 2510116), (7, 1792940), (10, 1255058), (14, 896470), (20, 627529), (28, 448235), (35, 358588), (70, 179294), (140, 89647), (157, 79940), (314, 39970), (571, 21980), (628, 19985), (785, 15988), (1099, 11420), (1142, 10990), (1570, 7994), (2198, 5710), (2284, 5495), (2855, 4396), (3140, 3997)]