25767430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{193}}^1$

素因数の和:305

約数の個数: 48

約数和(自身を含む): 51122880

約数和(自身を除く): 25355450

約数列:

[1, 2, 5, 10, 13, 26, 65, 79, 130, 158, 169, 193, 338, 386, 395, 790, 845, 965, 1027, 1690, 1930, 2054, 2509, 5018, 5135, 10270, 12545, 13351, 15247, 25090, 26702, 30494, 32617, 65234, 66755, 76235, 133510, 152470, 163085, 198211, 326170, 396422, 991055, 1982110, 2576743, 5153486, 12883715, 25767430]

約数ペア:

[(1, 25767430), (2, 12883715), (5, 5153486), (10, 2576743), (13, 1982110), (26, 991055), (65, 396422), (79, 326170), (130, 198211), (158, 163085), (169, 152470), (193, 133510), (338, 76235), (386, 66755), (395, 65234), (790, 32617), (845, 30494), (965, 26702), (1027, 25090), (1690, 15247), (1930, 13351), (2054, 12545), (2509, 10270), (5018, 5135)]