25442690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{383}}^1$

素因数の和:483

約数の個数: 64

約数和(自身を含む): 57286656

約数和(自身を除く): 31843966

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 73, 91, 130, 146, 182, 365, 383, 455, 511, 730, 766, 910, 949, 1022, 1898, 1915, 2555, 2681, 3830, 4745, 4979, 5110, 5362, 6643, 9490, 9958, 13286, 13405, 24895, 26810, 27959, 33215, 34853, 49790, 55918, 66430, 69706, 139795, 174265, 195713, 279590, 348530, 363467, 391426, 726934, 978565, 1817335, 1957130, 2544269, 3634670, 5088538, 12721345, 25442690]

約数ペア:

[(1, 25442690), (2, 12721345), (5, 5088538), (7, 3634670), (10, 2544269), (13, 1957130), (14, 1817335), (26, 978565), (35, 726934), (65, 391426), (70, 363467), (73, 348530), (91, 279590), (130, 195713), (146, 174265), (182, 139795), (365, 69706), (383, 66430), (455, 55918), (511, 49790), (730, 34853), (766, 33215), (910, 27959), (949, 26810), (1022, 24895), (1898, 13405), (1915, 13286), (2555, 9958), (2681, 9490), (3830, 6643), (4745, 5362), (4979, 5110)]