25640368

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{941}}^1$

素因数の和:1093

約数の個数: 40

約数和(自身を含む): 53965296

約数和(自身を除く): 28324928

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 131, 208, 262, 524, 941, 1048, 1703, 1882, 2096, 3406, 3764, 6812, 7528, 12233, 13624, 15056, 24466, 27248, 48932, 97864, 123271, 195728, 246542, 493084, 986168, 1602523, 1972336, 3205046, 6410092, 12820184, 25640368]

約数ペア:

[(1, 25640368), (2, 12820184), (4, 6410092), (8, 3205046), (13, 1972336), (16, 1602523), (26, 986168), (52, 493084), (104, 246542), (131, 195728), (208, 123271), (262, 97864), (524, 48932), (941, 27248), (1048, 24466), (1703, 15056), (1882, 13624), (2096, 12233), (3406, 7528), (3764, 6812)]