12591880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{44971}}^1$

素因数の和:44989

約数の個数: 32

約数和(自身を含む): 32379840

約数和(自身を除く): 19787960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 44971, 89942, 179884, 224855, 314797, 359768, 449710, 629594, 899420, 1259188, 1573985, 1798840, 2518376, 3147970, 6295940, 12591880]

約数ペア:

[(1, 12591880), (2, 6295940), (4, 3147970), (5, 2518376), (7, 1798840), (8, 1573985), (10, 1259188), (14, 899420), (20, 629594), (28, 449710), (35, 359768), (40, 314797), (56, 224855), (70, 179884), (140, 89942), (280, 44971)]