25423980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{491}}^1\times {\mathrm{863}}^1$

素因数の和:1366

約数の個数: 48

約数和(自身を含む): 71414784

約数和(自身を除く): 45990804

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 491, 863, 982, 1473, 1726, 1964, 2455, 2589, 2946, 3452, 4315, 4910, 5178, 5892, 7365, 8630, 9820, 10356, 12945, 14730, 17260, 25890, 29460, 51780, 423733, 847466, 1271199, 1694932, 2118665, 2542398, 4237330, 5084796, 6355995, 8474660, 12711990, 25423980]

約数ペア:

[(1, 25423980), (2, 12711990), (3, 8474660), (4, 6355995), (5, 5084796), (6, 4237330), (10, 2542398), (12, 2118665), (15, 1694932), (20, 1271199), (30, 847466), (60, 423733), (491, 51780), (863, 29460), (982, 25890), (1473, 17260), (1726, 14730), (1964, 12945), (2455, 10356), (2589, 9820), (2946, 8630), (3452, 7365), (4315, 5892), (4910, 5178)]