25349460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{647}}^1\times {\mathrm{653}}^1$

素因数の和:1312

約数の個数: 48

約数和(自身を含む): 71197056

約数和(自身を除く): 45847596

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 647, 653, 1294, 1306, 1941, 1959, 2588, 2612, 3235, 3265, 3882, 3918, 6470, 6530, 7764, 7836, 9705, 9795, 12940, 13060, 19410, 19590, 38820, 39180, 422491, 844982, 1267473, 1689964, 2112455, 2534946, 4224910, 5069892, 6337365, 8449820, 12674730, 25349460]

約数ペア:

[(1, 25349460), (2, 12674730), (3, 8449820), (4, 6337365), (5, 5069892), (6, 4224910), (10, 2534946), (12, 2112455), (15, 1689964), (20, 1267473), (30, 844982), (60, 422491), (647, 39180), (653, 38820), (1294, 19590), (1306, 19410), (1941, 13060), (1959, 12940), (2588, 9795), (2612, 9705), (3235, 7836), (3265, 7764), (3882, 6530), (3918, 6470)]