25444960

素因数分解:

$2^5\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1459}}^1$

素因数の和:1583

約数の個数: 48

約数和(自身を含む): 60706800

約数和(自身を除く): 35261840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 109, 160, 218, 436, 545, 872, 1090, 1459, 1744, 2180, 2918, 3488, 4360, 5836, 7295, 8720, 11672, 14590, 17440, 23344, 29180, 46688, 58360, 116720, 159031, 233440, 318062, 636124, 795155, 1272248, 1590310, 2544496, 3180620, 5088992, 6361240, 12722480, 25444960]

約数ペア:

[(1, 25444960), (2, 12722480), (4, 6361240), (5, 5088992), (8, 3180620), (10, 2544496), (16, 1590310), (20, 1272248), (32, 795155), (40, 636124), (80, 318062), (109, 233440), (160, 159031), (218, 116720), (436, 58360), (545, 46688), (872, 29180), (1090, 23344), (1459, 17440), (1744, 14590), (2180, 11672), (2918, 8720), (3488, 7295), (4360, 5836)]