25394520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{431}}^1\times {\mathrm{491}}^1$

素因数の和:936

約数の個数: 64

約数和(自身を含む): 76515840

約数和(自身を除く): 51121320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 431, 491, 862, 982, 1293, 1473, 1724, 1964, 2155, 2455, 2586, 2946, 3448, 3928, 4310, 4910, 5172, 5892, 6465, 7365, 8620, 9820, 10344, 11784, 12930, 14730, 17240, 19640, 25860, 29460, 51720, 58920, 211621, 423242, 634863, 846484, 1058105, 1269726, 1692968, 2116210, 2539452, 3174315, 4232420, 5078904, 6348630, 8464840, 12697260, 25394520]

約数ペア:

[(1, 25394520), (2, 12697260), (3, 8464840), (4, 6348630), (5, 5078904), (6, 4232420), (8, 3174315), (10, 2539452), (12, 2116210), (15, 1692968), (20, 1269726), (24, 1058105), (30, 846484), (40, 634863), (60, 423242), (120, 211621), (431, 58920), (491, 51720), (862, 29460), (982, 25860), (1293, 19640), (1473, 17240), (1724, 14730), (1964, 12930), (2155, 11784), (2455, 10344), (2586, 9820), (2946, 8620), (3448, 7365), (3928, 6465), (4310, 5892), (4910, 5172)]