25391640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{211597}}^1$

素因数の和:211611

約数の個数: 32

約数和(自身を含む): 76175280

約数和(自身を除く): 50783640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 211597, 423194, 634791, 846388, 1057985, 1269582, 1692776, 2115970, 2539164, 3173955, 4231940, 5078328, 6347910, 8463880, 12695820, 25391640]

約数ペア:

[(1, 25391640), (2, 12695820), (3, 8463880), (4, 6347910), (5, 5078328), (6, 4231940), (8, 3173955), (10, 2539164), (12, 2115970), (15, 1692776), (20, 1269582), (24, 1057985), (30, 846388), (40, 634791), (60, 423194), (120, 211597)]