25105340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{433}}^1$

素因数の和:678

約数の個数: 48

約数和(自身を含む): 57163008

約数和(自身を除く): 32057668

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 223, 260, 433, 446, 866, 892, 1115, 1732, 2165, 2230, 2899, 4330, 4460, 5629, 5798, 8660, 11258, 11596, 14495, 22516, 28145, 28990, 56290, 57980, 96559, 112580, 193118, 386236, 482795, 965590, 1255267, 1931180, 2510534, 5021068, 6276335, 12552670, 25105340]

約数ペア:

[(1, 25105340), (2, 12552670), (4, 6276335), (5, 5021068), (10, 2510534), (13, 1931180), (20, 1255267), (26, 965590), (52, 482795), (65, 386236), (130, 193118), (223, 112580), (260, 96559), (433, 57980), (446, 56290), (866, 28990), (892, 28145), (1115, 22516), (1732, 14495), (2165, 11596), (2230, 11258), (2899, 8660), (4330, 5798), (4460, 5629)]