25011240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{811}}^1$

素因数の和:1082

約数の個数: 64

約数和(自身を含む): 75418560

約数和(自身を除く): 50407320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 257, 514, 771, 811, 1028, 1285, 1542, 1622, 2056, 2433, 2570, 3084, 3244, 3855, 4055, 4866, 5140, 6168, 6488, 7710, 8110, 9732, 10280, 12165, 15420, 16220, 19464, 24330, 30840, 32440, 48660, 97320, 208427, 416854, 625281, 833708, 1042135, 1250562, 1667416, 2084270, 2501124, 3126405, 4168540, 5002248, 6252810, 8337080, 12505620, 25011240]

約数ペア:

[(1, 25011240), (2, 12505620), (3, 8337080), (4, 6252810), (5, 5002248), (6, 4168540), (8, 3126405), (10, 2501124), (12, 2084270), (15, 1667416), (20, 1250562), (24, 1042135), (30, 833708), (40, 625281), (60, 416854), (120, 208427), (257, 97320), (514, 48660), (771, 32440), (811, 30840), (1028, 24330), (1285, 19464), (1542, 16220), (1622, 15420), (2056, 12165), (2433, 10280), (2570, 9732), (3084, 8110), (3244, 7710), (3855, 6488), (4055, 6168), (4866, 5140)]