25239420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{499}}^1$

素因数の和:795

約数の個数: 72

約数和(自身を含む): 76986000

約数和(自身を除く): 51746580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 281, 499, 562, 843, 998, 1124, 1405, 1497, 1686, 1996, 2495, 2529, 2810, 2994, 3372, 4215, 4491, 4990, 5058, 5620, 5988, 7485, 8430, 8982, 9980, 10116, 12645, 14970, 16860, 17964, 22455, 25290, 29940, 44910, 50580, 89820, 140219, 280438, 420657, 560876, 701095, 841314, 1261971, 1402190, 1682628, 2103285, 2523942, 2804380, 4206570, 5047884, 6309855, 8413140, 12619710, 25239420]

約数ペア:

[(1, 25239420), (2, 12619710), (3, 8413140), (4, 6309855), (5, 5047884), (6, 4206570), (9, 2804380), (10, 2523942), (12, 2103285), (15, 1682628), (18, 1402190), (20, 1261971), (30, 841314), (36, 701095), (45, 560876), (60, 420657), (90, 280438), (180, 140219), (281, 89820), (499, 50580), (562, 44910), (843, 29940), (998, 25290), (1124, 22455), (1405, 17964), (1497, 16860), (1686, 14970), (1996, 12645), (2495, 10116), (2529, 9980), (2810, 8982), (2994, 8430), (3372, 7485), (4215, 5988), (4491, 5620), (4990, 5058)]