25446680

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{12983}}^1$

素因数の和:13008

約数の個数: 48

約数和(自身を含む): 66607920

約数和(自身を除く): 41161240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 12983, 25966, 51932, 64915, 90881, 103864, 129830, 181762, 259660, 363524, 454405, 519320, 636167, 727048, 908810, 1272334, 1817620, 2544668, 3180835, 3635240, 5089336, 6361670, 12723340, 25446680]

約数ペア:

[(1, 25446680), (2, 12723340), (4, 6361670), (5, 5089336), (7, 3635240), (8, 3180835), (10, 2544668), (14, 1817620), (20, 1272334), (28, 908810), (35, 727048), (40, 636167), (49, 519320), (56, 454405), (70, 363524), (98, 259660), (140, 181762), (196, 129830), (245, 103864), (280, 90881), (392, 64915), (490, 51932), (980, 25966), (1960, 12983)]