25402480

素因数分解:

$2^4\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1021}}^1$

素因数の和:1345

約数の個数: 40

約数和(自身を含む): 59308704

約数和(自身を除く): 33906224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 311, 622, 1021, 1244, 1555, 2042, 2488, 3110, 4084, 4976, 5105, 6220, 8168, 10210, 12440, 16336, 20420, 24880, 40840, 81680, 317531, 635062, 1270124, 1587655, 2540248, 3175310, 5080496, 6350620, 12701240, 25402480]

約数ペア:

[(1, 25402480), (2, 12701240), (4, 6350620), (5, 5080496), (8, 3175310), (10, 2540248), (16, 1587655), (20, 1270124), (40, 635062), (80, 317531), (311, 81680), (622, 40840), (1021, 24880), (1244, 20420), (1555, 16336), (2042, 12440), (2488, 10210), (3110, 8168), (4084, 6220), (4976, 5105)]