25306140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{491}}^1\times {\mathrm{859}}^1$

素因数の和:1362

約数の個数: 48

約数和(自身を含む): 71084160

約数和(自身を除く): 45778020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 491, 859, 982, 1473, 1718, 1964, 2455, 2577, 2946, 3436, 4295, 4910, 5154, 5892, 7365, 8590, 9820, 10308, 12885, 14730, 17180, 25770, 29460, 51540, 421769, 843538, 1265307, 1687076, 2108845, 2530614, 4217690, 5061228, 6326535, 8435380, 12653070, 25306140]

約数ペア:

[(1, 25306140), (2, 12653070), (3, 8435380), (4, 6326535), (5, 5061228), (6, 4217690), (10, 2530614), (12, 2108845), (15, 1687076), (20, 1265307), (30, 843538), (60, 421769), (491, 51540), (859, 29460), (982, 25770), (1473, 17180), (1718, 14730), (1964, 12885), (2455, 10308), (2577, 9820), (2946, 8590), (3436, 7365), (4295, 5892), (4910, 5154)]