87185080

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{293}}^1$

素因数の和:520

約数の個数: 64

約数和(自身を含む): 202577760

約数和(自身を除く): 115392680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 173, 215, 293, 344, 346, 430, 586, 692, 860, 865, 1172, 1384, 1465, 1720, 1730, 2344, 2930, 3460, 5860, 6920, 7439, 11720, 12599, 14878, 25198, 29756, 37195, 50396, 50689, 59512, 62995, 74390, 100792, 101378, 125990, 148780, 202756, 251980, 253445, 297560, 405512, 503960, 506890, 1013780, 2027560, 2179627, 4359254, 8718508, 10898135, 17437016, 21796270, 43592540, 87185080]

約数ペア:

[(1, 87185080), (2, 43592540), (4, 21796270), (5, 17437016), (8, 10898135), (10, 8718508), (20, 4359254), (40, 2179627), (43, 2027560), (86, 1013780), (172, 506890), (173, 503960), (215, 405512), (293, 297560), (344, 253445), (346, 251980), (430, 202756), (586, 148780), (692, 125990), (860, 101378), (865, 100792), (1172, 74390), (1384, 62995), (1465, 59512), (1720, 50689), (1730, 50396), (2344, 37195), (2930, 29756), (3460, 25198), (5860, 14878), (6920, 12599), (7439, 11720)]