25739480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{49499}}^1$

素因数の和:49523

約数の個数: 32

約数和(自身を含む): 62370000

約数和(自身を除く): 36630520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 49499, 98998, 197996, 247495, 395992, 494990, 643487, 989980, 1286974, 1979960, 2573948, 3217435, 5147896, 6434870, 12869740, 25739480]

約数ペア:

[(1, 25739480), (2, 12869740), (4, 6434870), (5, 5147896), (8, 3217435), (10, 2573948), (13, 1979960), (20, 1286974), (26, 989980), (40, 643487), (52, 494990), (65, 395992), (104, 247495), (130, 197996), (260, 98998), (520, 49499)]