25565800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{9833}}^1$

素因数の和:9862

約数の個数: 48

約数和(自身を含む): 64019340

約数和(自身を除く): 38453540

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 9833, 19666, 39332, 49165, 78664, 98330, 127829, 196660, 245825, 255658, 393320, 491650, 511316, 639145, 983300, 1022632, 1278290, 1966600, 2556580, 3195725, 5113160, 6391450, 12782900, 25565800]

約数ペア:

[(1, 25565800), (2, 12782900), (4, 6391450), (5, 5113160), (8, 3195725), (10, 2556580), (13, 1966600), (20, 1278290), (25, 1022632), (26, 983300), (40, 639145), (50, 511316), (52, 491650), (65, 393320), (100, 255658), (104, 245825), (130, 196660), (200, 127829), (260, 98330), (325, 78664), (520, 49165), (650, 39332), (1300, 19666), (2600, 9833)]